Meal replacement bottles are a convenient way to meet your nutritional goals, especially for weight gain and muscle building. Here's what you need to know to choose the right one:
- Calories & Protein: Look for 400–750 calories and 20–40 grams of protein per serving. Products like Transparent Labs Mass Gainer (770 calories, 50g protein) and HLTH Code Complete Meal (400 calories, 27g protein) are great examples.
- Macronutrient Balance: A good product should mimic a balanced meal with healthy fats, quality carbs, and essential vitamins/minerals.
- Sugar & Fiber: Keep added sugars under 10g and aim for 3–8g of fiber per serving for better digestion and sustained energy.
- Ingredients: Choose clean protein sources like whey, casein, or plant-based options. Avoid unnecessary additives and allergens if you have dietary restrictions.
- Format: Ready-to-drink bottles are convenient but cost more, while powder mixes are more affordable and customizable.
- Packaging: Ensure bottles are leak-proof, portable, and shelf-stable for convenience.
Quick Tip: For added flexibility, portable blenders like BLENDi allow you to customize powder mixes with fresh ingredients, making them a practical option for those on the go.
Best Meal Replacement Shakes - Which Has the Best Nutrition?
Nutritional Factors to Check
The numbers on the label reveal whether a meal replacement bottle aligns with your weight gain and muscle-building goals.
Calorie and Protein Content
Hitting your calorie and protein targets is essential. For effective weight gain and muscle development, choose meal replacements that provide 400–750 calories per serving and 20–40 grams of protein per serving. These amounts can help you stay on track with your daily nutrition plan.
Some products go beyond these ranges. For instance, BOOST Very High Calorie offers 530 calories and 22 grams of protein per serving. Others pack even more calories, making them ideal for individuals who struggle to consume enough food throughout the day.
Protein is just as vital as calories. Whey protein is a fast-digesting option, perfect for post-workout recovery, while casein delivers a slower, steady release of nutrients to keep muscles fueled. For those avoiding dairy, plant-based proteins like soy protein isolate provide a complete amino acid profile, making them a solid alternative.
Once you've nailed down calories and protein, ensure the balance of carbohydrates, fats, and micronutrients supports your overall goals.
Carbohydrate, Fat, and Micronutrient Balance
A well-rounded macronutrient profile separates quality meal replacements from the rest. Look for products that replicate the nutritional makeup of a balanced meal. Carbohydrates should provide sustained energy, and healthy fats are essential for hormone production and nutrient absorption.
A great example is HLTH Code Complete Meal, which features a 1:1 ratio of healthy fats to protein and includes a robust micronutrient profile. It delivers up to 50% of the daily value for 25 vitamins and minerals, including key nutrients like vitamin D, B12, calcium, and zinc - essential for muscle recovery and function.
Pay attention to fat sources. Products with high saturated fat content - like HLTH Code's 17 grams per serving - should be evaluated carefully, as excessive saturated fats are tied to cardiovascular risks. Instead, aim for options that prioritize unsaturated fats for a healthier profile.
| Product | Calories | Protein | Micronutrients | Fat Profile |
|---|---|---|---|---|
| HLTH Code Complete Meal | 400 | 27g | 25 vitamins/minerals (up to 50% DV) | 17g (high saturated) |
| Soylent (14 oz) | 400 | 20g | Complete vitamin profile | 19g (mixed) |
| SCI-MX Diet Meal Replacement | 209 | 26g | High in calcium/zinc; 33% daily iodine | Low fat |
Sugar and Fiber Levels
Sugar and fiber levels reveal a lot about a product's quality and its effects on your body. High-quality meal replacements typically keep added sugars under 10 grams per serving to avoid unnecessary fat gain and blood sugar spikes. Natural sugars from ingredients like oats or fruit are fine, but if you have a sensitive stomach, you may want to be cautious with artificial sweeteners.
Fiber is another key factor. Aim for 3–8 grams per serving to aid digestion and help you feel full. Many top-tier products use whole food sources like oats or chicory root for fiber, which is gentler on the digestive system.
Some formulations include artificial sweeteners like sucralose or allulose. While these can help with calorie control, they might cause digestive discomfort for some people. Be mindful of sodium levels too - Soylent, for example, contains around 240 mg per serving, which can add up if you consume it multiple times a day or pair it with other high-sodium foods.
These nutritional benchmarks are a strong foundation for assessing ingredient quality in the following section.
Ingredient Quality and Dietary Needs
The ingredient list is your roadmap to determining if a meal replacement bottle aligns with your health objectives and dietary restrictions.
Protein Source and Additives
The type and quality of protein play a huge role in effectiveness and dietary suitability. Whey protein is often considered the best choice for muscle building because it’s quickly absorbed and offers a complete amino acid profile - perfect for post-workout recovery. On the other hand, casein digests more slowly, providing a steady release of nutrients over several hours.
For those steering clear of dairy, plant-based proteins have come a long way. Soy protein is a strong alternative, while pea, hemp, and brown rice proteins cater to a variety of dietary preferences. MuscleMeds Carnivor Ready to Drink offers a unique option with beef protein isolate, delivering 40g of protein per 500mL serving without any fat or sugar. However, it’s not vegetarian-friendly and may include soy.
Watch out for artificial additives that could affect digestion or overall health. Ingredients like sucralose, canola oil, and excessive preservatives might cause discomfort or allergic reactions in some people. For example, products containing lactose or sucralose can be problematic for those with sensitivities.
Certified nutrition coach Anthony O'Reilly recommends Transparent Labs Mass Gainer, praising its clean ingredient list and effective balance of calories and protein. He highlights its ability to prevent missed meals and support weight gain.
When choosing a product, aim for those with minimal artificial additives and a focus on natural, recognizable ingredients. A shorter, cleaner ingredient list is usually a good sign.
Next, it’s important to evaluate the quality of fats and check allergen information to ensure the product meets your needs.
Healthy Fats and Allergen Information
The type of fat in a product matters just as much as the amount. Heart-healthy unsaturated fats, like omega-3s and MCTs, are better for your cardiovascular health and muscle-building goals compared to saturated fats. For example, HLTH Code Complete Meal contains 17g of fat per serving, prioritizing these healthier options. Similarly, Huel Ready-to-Drink incorporates omega-3s and MCTs while maintaining a clean ingredient profile.
Registered dietitian Perry Nix emphasizes the importance of heart-healthy fats and advises against consuming too much saturated fat, as seen in some products like HLTH Code Complete Meal.
Pay close attention to allergen information, especially if you have food sensitivities or dietary restrictions. Common allergens include dairy, soy, gluten, and lactose. Many products now cater to these needs. For example, Huel Ready-to-Drink is gluten-free, dairy-free, and non-GMO, making it a versatile option for various restrictions. HLTH Code Complete Meal comes in both whey-based and vegan plant-based versions, providing flexibility for different preferences.
| Product | Protein Source | Allergen-Free Options | Notable Features |
|---|---|---|---|
| Huel Ready-to-Drink | Plant-based | Gluten-free, dairy-free, non-GMO | Omega-3s, MCTs, 27 vitamins/minerals |
| HLTH Code Complete Meal | Whey/Plant-based | Vegan option available | 25 vitamins/minerals, high saturated fat |
| MuscleMeds Carnivor RTD | Beef protein isolate | Contains soy, not vegetarian | Zero fat/sugar, 40g protein |
How to assess ingredients effectively: Review the full ingredient list, check for dietary certifications like “vegan,” “gluten-free,” or “non-GMO,” and read user reviews for insights on taste and digestibility. If you’re unsure about a specific ingredient or have unique dietary needs, consult a healthcare professional or registered dietitian.
As consumers demand more transparency, brands are stepping up with cleaner labels and multiple formulations to suit different dietary restrictions. This makes it easier to find meal replacements that align with your health goals and ingredient preferences.
Take a close look at these details to complete your evaluation of meal replacement bottles.
Flavor, Texture, and Convenience
Even the healthiest shake won't cut it if it tastes bad or has an off-putting texture.
Flavor Options and User Reviews
In the U.S., popular shake flavors include chocolate, vanilla, strawberry, and cookies & cream, with some brands branching out into options like salted caramel or mocha. Chocolate and vanilla remain crowd favorites, but brands are getting creative to stand out.
Take Transparent Labs Mass Gainer's Chocolate Glaze Donut flavor, for example. A certified nutrition coach gave it a perfect 5 out of 5 for taste, applauding its nostalgic and authentic flavor profile. This trend of dessert-inspired flavors is turning meal replacements into something you actually look forward to drinking.
Customer reviews are a goldmine for honest flavor feedback. If multiple people mention an artificial aftertaste or an overly sweet profile, it’s worth noting. Reading reviews on both retailer sites and independent platforms can help you figure out which flavors are consistently well-received and which might miss the mark. When in doubt, try sample sizes before committing to a full-sized purchase.
But flavor is only part of the equation - texture is just as important, and how you mix your shake can make or break the experience.
Mixability and Texture Preferences
Texture plays a huge role in whether you'll stick with a shake long-term. A smooth, creamy consistency is what most people want, while gritty or chalky textures can be a dealbreaker. Even the most nutritious shake won't keep you coming back if the texture is unpleasant.
For instance, HLTH Code Complete Meal is known for its thick and satisfying consistency, but some users have reported issues with clumping during mixing. That’s why proper mixing techniques and the right tools are key.
When mixing powder-based shakes, a few simple steps can make all the difference. Start by adding the liquid first and avoid overfilling your blender or shaker bottle. For tougher ingredients like frozen fruit, blending longer can help achieve that silky-smooth texture.
"My smoothies come out silky smooth, and it looks great on my counter or in my bag!" - Britney P., Verified Buyer
On the flip side, poor mixing - whether due to improper technique, overfilling, or even a low battery on your blender - can leave you with a gritty, clumpy mess that’s hard to enjoy.
Ready-to-Drink vs. Powder Mixes
Once you've nailed flavor and texture, the format - ready-to-drink or powder - adds another layer to your decision.
Ready-to-drink shakes are all about convenience. No mixing, no equipment - just grab and go. They’re perfect for travel, work, or post-workout refueling. Plus, their pre-mixed nature ensures consistent flavor and texture every time.
Soylent’s 14-ounce ready-to-drink bottles, for example, pack 400 calories and 20 grams of protein with a balanced macronutrient profile, making them a popular option for busy lifestyles. If speed and portability are your top priorities, ready-to-drink shakes are a great choice.
Powder mixes, on the other hand, are often more affordable and customizable. While they require water or milk and a bit of effort to mix, they allow you to tweak your shake by adding fruits, supplements, or other ingredients. For those willing to invest in a good blender, powders can offer a lot of flexibility.
| Feature | Ready-to-Drink Bottles | Powder Mixes |
|---|---|---|
| Convenience | No prep, grab and go | Requires mixing/blender |
| Flavor Consistency | High, pre-mixed | Depends on mixing method |
| Texture | Smooth and consistent | Can vary, may be gritty |
| Customization | Limited | High |
| Cost per Serving | Higher | Lower |
For those struggling with mixability, portable blenders like BLENDi can be a game-changer. These compact devices are designed to crush ice and blend tough ingredients, making them ideal for gym bags or office use. They allow you to mix powders with extras like fruit, nut butters, or ice on the go, solving common complaints about clumping or uneven textures.
Ultimately, if you value customization and cost savings, powder mixes paired with a reliable blender might be your best bet. But if convenience is king, ready-to-drink bottles are hard to beat.
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Packaging, Portability, and Shelf Life
The way meal replacement bottles are packaged can make or break their usefulness in your daily routine. Whether you're dashing to the gym, traveling for work, or keeping one handy in your car, the right packaging ensures you always have access to the nutrition you need. These practical details work hand-in-hand with nutritional factors to align with your busy lifestyle.
Bottle Size and Serving Volume
Picking the right bottle size is key to meeting your nutritional goals. In the U.S., most meal replacement bottles range between 11 and 17 fluid ounces (325–500 mL) per serving, with calorie counts varying from 180 to over 500 per bottle.
If you're aiming to build muscle or gain weight, larger bottles are the way to go. They pack the calorie punch needed to truly replace a meal, helping you feel full and avoid unnecessary snacking. On the other hand, for maintenance or lighter needs, smaller bottles can serve as quick snacks or post-workout fuel without overloading you. The size you choose directly impacts how satisfying the meal replacement feels, making it easier to stick to your goals.
For those focused on muscle building, larger bottles with higher calorie content ensure you're getting the nutrients you need, even when you're on the move.
Leak-Proof and Travel-Friendly Features
Once you've nailed down the serving size, the next thing to consider is the packaging's durability. A leak-proof design is non-negotiable for portability. Look for bottles with secure screw-top lids, reinforced seals, and sturdy materials that can handle the bumps and pressure changes of travel.
Brands like Huel Ready-to-Drink and Soylent have become popular partly because of their reliable, resealable bottles. These often feature BPA-free plastic and ergonomic designs that make them easy to handle - even with sweaty hands after a workout.
Convenience matters too. Lightweight, compact bottles that fit into standard cup holders are ideal for busy lifestyles. Bonus points if the bottle is easy to drink from while walking or driving. For those who prefer powder-based meal replacements, portable blenders like BLENDi are a game-changer. These compact, rechargeable devices let you mix fresh shakes anywhere, eliminating the worry of pre-mixed bottles leaking in your bag. Some models even have ice-crushing capabilities and travel cases, making them perfect for on-the-go use.
Storage and Shelf Stability
One of the biggest perks of ready-to-drink meal replacements is their shelf stability. Most don't need refrigeration until opened, so you can store them in your car, desk drawer, or gym locker without worrying about spoilage.
Both ready-to-drink bottles and powder mixes have a shelf life of 6–12 months if stored in a cool, dry place away from direct sunlight. However, once opened, ready-to-drink bottles must be refrigerated and consumed within 24–48 hours. In contrast, powder mixes can last for months as long as they're kept dry.
| Storage Factor | Ready-to-Drink Bottles | Powder Mixes |
|---|---|---|
| Unopened Shelf Life | 6–12 months | 6–12 months |
| Refrigeration Required | No (until opened) | No |
| After Opening | 24–48 hours (refrigerated) | Months (if kept dry) |
| Travel Convenience | High (grab and go) | High (with blender) |
The type of packaging also affects portability and environmental impact. Plastic bottles are lightweight and shatter-resistant, making them a safer choice for active use. Glass bottles, while better at preserving taste, are heavier and more prone to breaking. Some brands opt for Tetra Pak cartons, which strike a balance between portability and recyclability.
For ultimate flexibility, you might consider mixing and matching. Keep ready-to-drink bottles for those grab-and-go moments, and use powder mixes with a portable blender when you want to customize your shake or include fresh ingredients. This combo approach gives you the convenience of shelf-stable storage with the freedom to create fresh, tailored shakes whenever you need them.
Cost, Brand Reputation, and Value
Once you've reviewed nutrition and packaging, the next step is to weigh cost and brand reputation to round out your decision-making process. It's important to evaluate the balance between quality and cost, as this analysis complements earlier assessments of nutritional content and product quality.
Price per Serving and Bulk Options
Start by calculating the price per serving. This is simple: divide the total price by the number of servings. For instance, if a 12-pack costs $36, the price per serving is $3.00.
Now, let’s compare some examples. Transparent Labs Mass Gainer is on the higher end, costing $4–$5+ per serving while providing 770 calories and over 50 grams of protein. On the other hand, SCI-MX Nutrition Diet Meal Replacement is more budget-friendly at about $1.08 per serving, offering 209 calories and 26 grams of protein.
Buying in bulk can often lower the cost per serving, but keep in mind the need for sufficient storage space and the product's shelf life. Many brands offer discounts for larger quantities or subscription services. For example, PhenQ Complete Meal Shake costs around $4.37 per serving, based on a package price of $30.60 for 7 meals. Soylent bottles, meanwhile, typically range from $3 to $4 each. These mid-priced options often strike a balance between convenience, nutritional content, and taste, making them appealing for many buyers.
While cost is a key factor, a brand's reputation and transparency are just as important.
Brand Transparency and Reviews
Look for brands that are upfront about their ingredients and sourcing practices. Companies that provide detailed ingredient lists, disclose sourcing methods, and validate their claims with third-party testing build trust.
Transparent Labs is a standout in this area, clearly labeling its ingredients and using grass-fed whey combined with real food carbohydrate sources. While this transparency comes at a higher cost, many users find the added assurance worthwhile. Similarly, HLTH Code Complete Meal is known for its thorough ingredient disclosure and offers options for vegan and keto-friendly diets, with a clear nutritional breakdown.
Third-party certifications, like NSF Certified for Sport or Informed Choice, are another sign of a brand's commitment to quality. These certifications ensure products are free from banned substances and that their nutritional claims are accurate.
Customer reviews can also provide valuable insights. For example, HLTH Code Complete Meal earns high marks for taste (5/5) and formulation (4/5) in expert reviews, though some users have raised concerns about its saturated fat content. Soylent receives praise for its convenience and balanced nutrition, though some reviewers note a chalky aftertaste. SCI-MX Nutrition is frequently highlighted for its affordability and ability to support satiety while being nutrient-dense.
| Brand | Price/Serving | Calories | Protein | Transparency | Key Strengths |
|---|---|---|---|---|---|
| Transparent Labs | $4–$5+ | 770 | 50g+ | Excellent | Clean ingredients, grass-fed whey |
| HLTH Code Complete Meal | Premium | 400 | 27g | Very Good | Vegan options, balanced nutrition |
| SCI-MX Nutrition | ~$1.08 | 209 | 26g | Good | Affordable, nutrient-dense |
| PhenQ Complete Meal Shake | ~$4.37 | N/A | 16g | Good | Includes digestive enzymes; refined formula |
| Soylent | $3–$4 | 320–400 | 16–20g | Good | Plant-based, multiple size options |
Established brands tend to offer consistent quality and are transparent about any recalls or formula changes, reducing the risk of unpleasant surprises.
Ultimately, the goal is to find a balance between quality and affordability. Mid-range brands often hit the sweet spot, offering solid transparency, positive customer reviews, and nutritional profiles that meet your needs without straining your budget. Remember, the most expensive product isn’t always the best, and the cheapest option might not provide the quality you need for long-term success.
Using Portable Blending with Meal Replacements
Pre-made meal replacement drinks are convenient, but they often fall short when it comes to tailoring them to your specific nutritional needs and taste preferences. Portable blenders, like the BLENDi Portable Blender, change the game by allowing you to whip up personalized, nutrient-packed shakes wherever you are.
Customizing Shakes On-the-Go
With a portable blender, you can easily elevate your meal replacement shakes by adding fresh ingredients that align with your fitness goals, whether that’s weight gain or muscle building. Want to pack in extra calories and protein? Toss in a scoop of nut butter. Need a carbohydrate boost? Add fresh or frozen fruits. For more protein, Greek yogurt works wonders, while chia or flaxseeds bring fiber and healthy fats to the mix. This level of customization means you can create shakes tailored to your post-workout recovery, ensuring your body gets the nutrients it needs right when it needs them.
If you’re looking to keep things interesting without adding calories, zero-calorie mocktail mixers - offered by BLENDi - are a fun way to experiment with new flavors. These features make portable blending an excellent choice for anyone seeking variety and control over their shake routine.
BLENDi Portable Blender Features

BLENDi offers three models, each designed to cater to different needs:
- BLENDi Lite ($22.50): This compact option features a 70-watt motor and a 17-ounce capacity, making it perfect for blending powders, liquids, and softer fruits.
- BLENDi Pro+ ($44.99): With a stronger 120-watt motor, this model can crush ice and blend frozen fruits with ease. It doubles as a travel bottle and even comes with a travel case. One happy user shared:
"I didn't think a portable blender could handle frozen fruit, but this one blew me away. It crushed ice, blended my smoothie in 30 seconds, and didn't struggle once!" – Maeve S., Verified Buyer
- BLENDi X ($59.99): The most powerful of the three, this model boasts a 150-watt motor, a 24-ounce capacity, and dual blending modes. Its larger size is ideal for those who need bigger servings or thicker shakes for muscle-building recipes.
All BLENDi models feature USB-rechargeable batteries, with the Pro+ and X models providing up to 15 blends per charge. Their one-touch operation ensures your shake is ready in just 30 seconds. Thanks to their compact design, you can easily blend on the go. As one user put it:
"I can make a shake in the car, at my desk, or even at the gym. It's fast, charges quickly, and fits in my tote." – Esther B., Verified Buyer
The Pro+ and X models also stand out for their ability to crush ice, which is perfect for creating thicker, more satisfying shakes. To get the best results, always add liquid first, avoid overfilling, and give frozen ingredients a little extra blending time to prevent jams and achieve a smooth texture.
| BLENDi Model | Price | Capacity | Motor Power | Ice Crushing | Best For |
|---|---|---|---|---|---|
| Lite | $22.50 | 17 oz | 70W | No | Basic mixing, soft ingredients |
| Pro+ | $44.99 | 17 oz | 120W | Yes | Frozen fruits, ice, travel use |
| X | $59.99 | 24 oz | 150W | Yes | Large servings, thick recipes |
Making the Right Choice
When selecting a meal replacement bottle, keep a few key factors in mind: nutritional value, ingredient quality, convenience, and cost. These considerations will help you find a product that aligns with your weight gain and muscle-building goals without putting unnecessary strain on your budget or daily routine.
Nutritional value should take priority. Look for meal replacements that meet the calorie and protein ranges mentioned earlier to support muscle growth effectively. Hitting these targets consistently is essential for achieving your fitness goals.
Ingredient quality matters for both results and overall health. Opt for products that use high-quality protein sources and steer clear of those packed with artificial additives or excessive fillers. Carefully check the ingredient list for red flags like added sugars, unnecessary saturated fats, or common allergens.
Convenience can make or break your routine. Ready-to-drink options are perfect for eliminating prep time, while leak-proof packaging ensures you can take them anywhere without hassle. If you prefer powders for their value or flexibility, a portable blending tool like the BLENDi Portable Blender can be a game-changer. Starting at $22.50 and going up to $59.99, these blenders allow you to whip up smooth, personalized shakes on the go. Whether you’re adding fresh fruit for extra carbs or nut butter for healthy fats, this level of customization makes it easier to stick to your nutritional plan even when you're busy.
Cost is another factor to weigh carefully. Compare the price per serving and consider bulk options for better value. While premium products might seem expensive upfront, they often deliver higher-quality ingredients and better nutritional density. That said, budget-friendly options can still work well if they meet your dietary needs and offer good value.
Beyond the numbers, real-world feedback can be a huge help. User reviews and expert recommendations often provide insights into flavor, texture, and mixability - details that can make a big difference in your daily routine. Registered dietitians typically suggest products with balanced macronutrients and minimal artificial ingredients, while consumer reviews can alert you to potential drawbacks like clumping or unpleasant aftertastes.
Pairing a quality meal replacement with the right tools can amplify your results. For instance, the BLENDi Portable Blender - especially the Pro+ and X models with ice-crushing capabilities - lets you blend frozen fruits for thicker, more filling shakes. This added flexibility helps address one of the common downsides of pre-made bottles: the inability to tweak the flavor or nutrition to match your evolving needs. By combining convenience with customization, you can stay on track and enjoy your journey to better health.
FAQs
What should I look for in calorie and protein content when selecting a meal replacement bottle for my fitness goals?
When picking a meal replacement bottle, think about your fitness goals. If your focus is on gaining weight or building muscle, look for options packed with more calories and 20–30 grams of protein per serving. This level of protein helps with muscle recovery and growth.
For extra flexibility, consider using portable blenders like BLENDi. These let you mix your shakes or smoothies with the exact ingredients you want, giving you full control over calorie and protein content while keeping your nutrition fresh and convenient, no matter where you are.
How can a portable blender improve the way I use meal replacement powders?
A portable blender, like BLENDi, brings convenience to your daily nutrition routine, letting you whip up meal replacement powders anytime and anywhere - whether you're at the office, hitting the gym, or on the go. With its one-touch operation, hassle-free cleaning, and the ability to blend and drink from the same container, it’s designed to save you time and effort.
Take the BLENDi X, for example. This powerful model delivers smooth, clump-free blends in seconds and even doubles as a water bottle. It’s a simple yet effective way to enjoy fresh, perfectly mixed meal replacements, keeping you on track with your health and fitness goals without adding any extra stress to your day.
What should I look for in the ingredients and allergens of meal replacement products?
When selecting a meal replacement product, it's crucial to examine the ingredient list carefully to make sure it suits your dietary requirements. Focus on products made with nutrient-rich ingredients while steering clear of artificial additives or unnecessary fillers. If you have allergies or sensitivities, be mindful of common allergens like dairy, nuts, or soy.
For an extra touch of convenience, consider using a BLENDi portable blender. It's a handy tool that lets you whip up fresh, smooth shakes anytime, anywhere. Perfect for staying on track while you're on the move!




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