Best picks
Ten meal-replacement shakes ranked by protein per calorie, sugar and price per serving, with maker-stated labels, recall and lead checks as of October 2026.
Fact-checked against FDA labels and official sources; not yet reviewed by a licensed clinician. This page is education, not medical advice. Talk to your doctor before starting, stopping or changing any treatment.
Key takeaways
- Across 23 trials, meal-replacement diets led to 1.44 kg more weight loss at one year than other diets.[14]
- In Look AHEAD, the heaviest users of meal replacements were about four times as likely to reach 7% weight loss as the lightest users.[15]
- Kate Farms High Protein (25 g protein in 160 kcal) and OWYN High Protein (26 g in 180 kcal) had the most protein per calorie of the meal shakes we checked.[1]
- Consumer Reports rated Huel Black Edition powder "avoid" for lead (1,288% of its daily level of concern), so it was left out.[11]
In short: Meal-replacement shakes can help with weight loss when they replace a higher-calorie meal: in a review of 23 trials, people using them lost about 1.4 kg (3 lb) more at one year than people on other diets. Ranked by protein per calorie, then sugar and price, our top three are the Kate Farms High Protein Nutrition Shake (25 g protein in 160 calories, no sugar), the OWYN High Protein Shake (26 g protein, 180 calories) and Ka’Chava (25 g protein and 6 g fiber in a 240-calorie powder). None of the ten carries a third-party certification such as NSF on its maker page.
We research; we don’t test. Every number below is maker-stated, copied from the maker’s own nutrition label or product page on October 6, 2026, with the maker’s list price that day. We also checked FDA recalls and warning letters and Consumer Reports’ 2025-2026 lead tests. A meal replacement is different from a protein shake: it should have enough calories to stand in for a meal, plus fiber and added vitamins and minerals. If you just want more protein, see our best protein powders; if you’d rather blend your own, try our high-protein smoothies. Nothing here is sold by InstaTuck, and the order never depends on commissions.
Do meal replacements work for weight loss?
Yes, modestly, when they replace some meals in a reduced-calorie plan. They work because each serving has a fixed, known number of calories, which takes the guesswork out of those meals. Three bodies of research agree:
What the research found
- -1.44 kgextra weight lost at 1 year with meal-replacement diets vs other diets (23 trials, 7,884 adults)Astbury et al., Obesity Reviews 2019
- -6.13 kgextra loss when meal replacements came with enhanced support vs regular supportAstbury et al., Obesity Reviews 2019
- 4.0xodds of reaching 7% weight loss for the heaviest vs lightest meal-replacement users in Look AHEAD (observational)Wadden et al., Obesity 2009
Checked on October 6, 2026
The 2019 Oxford meta-analysis pooled 23 randomized trials of partial meal replacement (it excluded very-low-calorie total diet replacement). At one year, meal-replacement diets led to 1.44 kg more weight loss than other diets, and 2.22 kg more when both groups got the same support. In Look AHEAD, the large trial of 5,145 adults with type 2 diabetes, people in the lifestyle group were given meal replacements, and those who used the most were about four times as likely to reach 7% weight loss as those who used the fewest; that is an association, not proof, and physical activity was the strongest link. An older pooled analysis of six trials found about 2.5 kg more weight loss with partial meal replacement and fewer dropouts.
The 10 best meal-replacement shakes
How we ranked them: third-party certification would have come first, but none of the products we checked lists NSF Certified for Sport, NSF Contents Certified, Informed Choice or Clean Label Project certification on its maker page, and none appeared in NSF’s Certified for Sport registry. So the order is grams of protein per 100 calories, then sugar and added ingredients, then price per serving. Some makers state other claims, such as organic or allergen certifications, which we list as maker-stated.
10 meal-replacement shakes, ranked by nutrition
1. Kate Farms High Protein Nutrition Shake (Chocolate)
Best for The most protein per calorie; dairy-free
- 160 kcal, 25 g protein (15.6 g per 100 kcal)
- 6 g fiber
- 0 g sugar
- 27 vitamins and minerals
- USDA Organic, free of top 9 allergens (maker-stated)
Maker-stated specs
Price $55 for 12 cartons (about $4.58 each) (checked Oct 6, 2026)
Drawback Only 160 calories and 4 g fat, so it is a light meal
2. OWYN High Protein Shake (Chocolate)
Best for Allergy-friendly plant protein at a lower price
- 180 kcal, 26 g protein (14.4 g per 100 kcal)
- 3 g fiber
- 0 g sugar
- 23 vitamins and minerals
- monk fruit
Maker-stated specs
Price $41.99 for 12 bottles (about $3.50 each) (checked Oct 6, 2026)
Drawback Only 3 g carbs, so it is closer to a protein shake than a balanced meal
3. Ka'Chava Shakes (powder)
Best for A fiber-rich, mixed-ingredient powder
- 240 kcal, 25 g protein per 2 scoops (10.4 g per 100 kcal)
- 6 g fiber
- 7 g sugar, 4 g added
- monk fruit and coconut nectar
Maker-stated specs
Price $69.95 for 15 servings (about $4.66 each) (checked Oct 6, 2026)
Drawback The most expensive powder per serving here
4. Herbalife Formula 1 Shake (Dutch Chocolate), made with 8 fl oz nonfat milk
Best for A low-cost powder if you drink milk
- 170 kcal, 17 g protein with milk (10.0 g per 100 kcal)
- 3 g fiber
- 22 g sugar, 8 g added
- 21 vitamins and minerals
Maker-stated specs
Price $61.75 for 30 servings (about $2.06 each, plus milk) (checked Oct 6, 2026)
Drawback Needs milk to reach its protein; 8 g added sugar (fructose, honey powder)
5. Orgain Organic Meal Powder (Creamy Chocolate Fudge)
Best for High fiber with almost no sugar
- 220 kcal, 20 g protein per 2 scoops (9.1 g per 100 kcal)
- 11 g fiber
- 1 g sugar
- USDA Organic (maker-stated)
Maker-stated specs
Price $46.99 per container (about $2.94 per serving) (checked Oct 6, 2026)
Drawback Fewer added vitamins and minerals than most meal shakes (the label lists 0% vitamin D)
6. Huel Black Edition Ready-to-drink (Chocolate)
Best for A full 400-calorie meal in a bottle
- 400 kcal, 35 g protein per 500 mL (8.75 g per 100 kcal)
- 7 g fiber
- 6 g sugar, 4 g added
- 27 vitamins and minerals
Maker-stated specs
Price $77.35 for 12 bottles (about $6.45 each) (checked Oct 6, 2026)
Drawback The highest price per serving on the list
7. Orgain Organic Nutrition Shake (Creamy Chocolate Fudge)
Best for A widely sold, lower-cost ready-to-drink
- 250 kcal, 16 g protein per 330 mL (6.4 g per 100 kcal)
- 1 g fiber
- 12 g sugar, 11 g added
- 21 vitamins and minerals
Maker-stated specs
Price $35.99 for 12 (about $3.00 each) (checked Oct 6, 2026)
Drawback 11 g added sugar and only 1 g fiber
8. Ample Original (Chocolate)
Best for Lower-carb, higher-fat meals
- 400 kcal, 25 g protein per 2 scoops (6.25 g per 100 kcal)
- 7 g fiber
- 2 g sugar, 1 g added
Maker-stated specs
Price $79 for 15 servings (about $5.27 each) (checked Oct 6, 2026)
Drawback 12 g saturated fat (61% of the Daily Value); only a few added minerals and vitamin D
9. Huel Ready-to-drink (Chocolate)
Best for A 400-calorie bottle at a lower price than Black Edition
- 400 kcal, 20 g protein per 500 mL (5.0 g per 100 kcal)
- 8 g fiber
- 2 g sugar
- 27 vitamins and minerals
Maker-stated specs
Price $70.65 for 12 bottles (about $5.89 each) (checked Oct 6, 2026)
Drawback Low protein for its calories; sweetened with sucralose
10. Kate Farms Nutrition Shake (Vanilla)
Best for More calories for a bigger meal, plant-based
- 330 kcal, 16 g protein (4.8 g per 100 kcal)
- 6 g fiber
- 18 g sugar
- 27 vitamins and minerals
- USDA Organic (maker-stated)
Maker-stated specs
Price $51 for 12 cartons (about $4.25 each) (checked Oct 6, 2026)
Drawback 18 g sugar, mostly from agave and brown rice syrups
All 10 shakes side by side
| # | Pick | Best for | Key specs (maker-stated) | Price range | Last checked |
|---|---|---|---|---|---|
| 1 | Kate Farms High Protein Nutrition Shake (Chocolate) | The most protein per calorie; dairy-free | 160 kcal, 25 g protein (15.6 g per 100 kcal); 6 g fiber; 0 g sugar; 27 vitamins and minerals; USDA Organic, free of top 9 allergens (maker-stated) | $55 for 12 cartons (about $4.58 each) | Oct 6, 2026 |
| 2 | OWYN High Protein Shake (Chocolate) | Allergy-friendly plant protein at a lower price | 180 kcal, 26 g protein (14.4 g per 100 kcal); 3 g fiber; 0 g sugar; 23 vitamins and minerals; monk fruit | $41.99 for 12 bottles (about $3.50 each) | Oct 6, 2026 |
| 3 | Ka'Chava Shakes (powder) | A fiber-rich, mixed-ingredient powder | 240 kcal, 25 g protein per 2 scoops (10.4 g per 100 kcal); 6 g fiber; 7 g sugar, 4 g added; monk fruit and coconut nectar | $69.95 for 15 servings (about $4.66 each) | Oct 6, 2026 |
| 4 | Herbalife Formula 1 Shake (Dutch Chocolate), made with 8 fl oz nonfat milk | A low-cost powder if you drink milk | 170 kcal, 17 g protein with milk (10.0 g per 100 kcal); 3 g fiber; 22 g sugar, 8 g added; 21 vitamins and minerals | $61.75 for 30 servings (about $2.06 each, plus milk) | Oct 6, 2026 |
| 5 | Orgain Organic Meal Powder (Creamy Chocolate Fudge) | High fiber with almost no sugar | 220 kcal, 20 g protein per 2 scoops (9.1 g per 100 kcal); 11 g fiber; 1 g sugar; USDA Organic (maker-stated) | $46.99 per container (about $2.94 per serving) | Oct 6, 2026 |
| 6 | Huel Black Edition Ready-to-drink (Chocolate) | A full 400-calorie meal in a bottle | 400 kcal, 35 g protein per 500 mL (8.75 g per 100 kcal); 7 g fiber; 6 g sugar, 4 g added; 27 vitamins and minerals | $77.35 for 12 bottles (about $6.45 each) | Oct 6, 2026 |
| 7 | Orgain Organic Nutrition Shake (Creamy Chocolate Fudge) | A widely sold, lower-cost ready-to-drink | 250 kcal, 16 g protein per 330 mL (6.4 g per 100 kcal); 1 g fiber; 12 g sugar, 11 g added; 21 vitamins and minerals | $35.99 for 12 (about $3.00 each) | Oct 6, 2026 |
| 8 | Ample Original (Chocolate) | Lower-carb, higher-fat meals | 400 kcal, 25 g protein per 2 scoops (6.25 g per 100 kcal); 7 g fiber; 2 g sugar, 1 g added | $79 for 15 servings (about $5.27 each) | Oct 6, 2026 |
| 9 | Huel Ready-to-drink (Chocolate) | A 400-calorie bottle at a lower price than Black Edition | 400 kcal, 20 g protein per 500 mL (5.0 g per 100 kcal); 8 g fiber; 2 g sugar; 27 vitamins and minerals | $70.65 for 12 bottles (about $5.89 each) | Oct 6, 2026 |
| 10 | Kate Farms Nutrition Shake (Vanilla) | More calories for a bigger meal, plant-based | 330 kcal, 16 g protein (4.8 g per 100 kcal); 6 g fiber; 18 g sugar; 27 vitamins and minerals; USDA Organic (maker-stated) | $51 for 12 cartons (about $4.25 each) | Oct 6, 2026 |
| Item | Protein | Fiber | Sugar |
|---|---|---|---|
| Kate Farms High Protein | 25 g | 6 g | 0 g |
| OWYN High Protein | 26 g | 3 g | 0 g |
| Ka'Chava | 25 g | 6 g | 7 g |
| Herbalife F1 + nonfat milk | 17 g | 3 g | 22 g |
| Orgain Meal Powder | 20 g | 11 g | 1 g |
| Huel Black RTD | 35 g | 7 g | 6 g |
| Orgain Nutrition Shake | 16 g | 1 g | 12 g |
| Ample Original | 25 g | 7 g | 2 g |
| Huel RTD | 20 g | 8 g | 2 g |
| Kate Farms Nutrition Shake | 16 g | 6 g | 18 g |
Sugar is total sugar; Herbalife's includes the natural sugar in 8 fl oz of nonfat milk.
Source: Maker nutrition labels on each maker's site; flavors as listed on the cards (checked on October 6, 2026)
Safety checks: recalls and heavy metals
We found no FDA recalls or warning letters from 2024 to 2026 for the ten products above. The one recall we found for these brands was a December 2024 allergy alert for a single batch of Orgain 30g Plant Protein powder (possible undeclared peanut), a different product from the two Orgain picks here. Consumer Reports’ lead tests, published in October 2025 and updated in January 2026, did not include any of our ten. They did include Huel Black Edition powder, which measured 1,288% of CR’s daily level of concern for lead and also exceeded CR’s cadmium threshold; CR rated it “avoid”, so we left it out even though its label numbers were strong. Huel’s ready-to-drink bottles were not in CR’s test.
Remember that the FDA does not approve dietary supplements or these foods before they are sold, and no meal shake here is third-party certified on its maker page. That is one more reason to use shakes for one meal a day and build the rest of your eating around whole foods.
How to choose a meal-replacement shake
- Calories that match the meal. 150 to 250 calories works as a light breakfast; 300 to 400 can stand in for lunch. Our calorie calculator estimates how many you need in a day.
- At least 15 to 20 g protein. Protein helps you stay full and keep muscle while losing weight. The protein calculator gives a daily target.
- Some fiber. 5 g or more makes a liquid meal more satisfying.
- Little added sugar. Seven of our ten list 4 g of added sugar or less per serving.
- Vitamins and minerals. A true meal replacement adds a broad mix (often 20 or more). Protein shakes often don’t.
- Ready-to-drink or powder. Bottles and cartons are easier; powders usually cost less per serving and let you add fruit or milk.
- Check the label for allergens and sweeteners. Options here include monk fruit, stevia, sucralose and sugar.
A simple way to use them
- Pick one mealReplace the meal that is hardest to plan, often breakfast or a work lunch.
- Round it outAdd fruit, raw vegetables or a handful of nuts if the shake is under 250 calories.
- Keep one real mealEat at least one balanced meal a day with vegetables, protein and whole grains.
- Plan the transitionOver time, swap shakes back to simple meals so the habits last.
What we left out, and why
- Huel Black Edition powder: strong label numbers (40 g protein, 11 g fiber per 400 calories), but Consumer Reports rated it “avoid” for lead and cadmium.
- Soylent Original: sold out on the maker’s site on the day we checked.
- SlimFast, Boost, Garden of Life Raw Organic Meal and Nutrisystem shakes: we could not read current labels and prices on the makers’ own sites.
- Premier Protein and Ensure Max Protein: high-protein shakes, but their makers position them as protein shakes or snacks, not meals; Premier’s label says not to use it for weight reduction.
- Ensure Original and Glucerna: medical-nutrition drinks built for other purposes (Ensure Original for people who need to gain or keep weight; Glucerna for diabetes, which its maker says to use under medical supervision).
- Optavia Fuelings and similar program foods: sold only as part of a program; see our Optavia and Nutrisystem pages.
What a meal-replacement shake can’t do
A shake doesn’t burn fat or speed up metabolism. It simply makes one meal predictable, which helps you keep a calorie deficit. Trials found the best results when shakes came with support, such as coaching or a structured program, and weight often returns when people stop without a plan; our guide to maintaining weight loss covers the transition. If you’d rather have real food with the same convenience, compare meal delivery services for weight loss, or fill your plate with the most filling foods. For the bigger picture, see the nutrition hub and every diet compared.
If you are taking a GLP-1 medicine and have little appetite, a high-protein shake can make it easier to reach your protein target; our GLP-1 diet guide explains how.
Records in this article
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- Would meal replacements suit my health conditions and medicines?
- How many calories and how much protein should a replacement meal have for me?
- How should I transition back to regular meals?
- Would a structured program or dietitian support help me more?
Frequently asked questions
Do meal-replacement shakes help you lose weight?
Modestly. In a review of 23 trials, they led to about 1.4 kg more weight loss at one year than other diets, and more when paired with support. They work by making one or two meals a day predictable in calories.
What is the best meal-replacement shake for weight loss?
Look for 15 to 20 g or more of protein, some fiber, little added sugar and added vitamins and minerals. On our list, Kate Farms High Protein, OWYN High Protein and Ka'Chava ranked highest on protein per calorie.
How many meals a day can I replace with a shake?
The trials in the main review used partial meal replacement, swapping some meals and keeping regular food for the rest. Replacing all meals, or very-low-calorie plans, is best done with medical supervision.
What is the difference between a protein shake and a meal replacement?
A protein shake mainly adds protein. A meal replacement is built to stand in for a meal, with enough calories plus fiber, carbohydrate, fat and a broad mix of vitamins and minerals.
Are meal-replacement shakes safe?
For most adults, as one part of a balanced diet. We found no recent FDA recalls for our picks, but none are third-party certified on their maker pages. People with diabetes, kidney disease or pregnancy should check with a clinician first.
References
- High Protein Nutrition Shake (nutrition facts and price). Kate Farms. (accessed October 6, 2026) Other
- Chocolate High Protein Shake (nutrition facts and price). OWYN. (accessed October 6, 2026) Other
- Ka’Chava Shakes (nutrition facts and price). Ka'Chava. (accessed October 6, 2026) Other
- Formula 1 Healthy Meal Nutritional Shake Mix, Dutch Chocolate (label and price). Herbalife. (accessed October 6, 2026) Other
- Organic Meal Powder (nutrition facts and price). Orgain. (accessed October 6, 2026) Other
- Huel Black Edition Ready-to-drink (nutrition and price). Huel. (accessed October 6, 2026) Other
- Organic Nutrition Shake (nutrition facts and price). Orgain. (accessed October 6, 2026) Other
- Ample Original, Chocolate canister (nutrition facts and price). Ample. (accessed October 6, 2026) Other
- Huel Ready-to-drink (nutrition and price). Huel. (accessed October 6, 2026) Other
- Nutrition Shake (nutrition facts and price). Kate Farms. (accessed October 6, 2026) Other
- Protein Powders and Shakes Contain High Levels of Lead. Consumer Reports, 2025. (accessed October 7, 2026) News (reported facts only)
- Orgain Issues Voluntary Allergy Alert on Possible Undeclared Peanut Residue in Single Batch of 30g Protein. U.S. Food and Drug Administration, 2024. (accessed October 6, 2026) Government page
- NSF Certified for Sport: certified products. NSF. (accessed October 7, 2026) Other
- Astbury NM, Piernas C, Hartmann-Boyce J, et al.. A systematic review and meta-analysis of the effectiveness of meal replacements for weight loss. Obesity Reviews, 2019. doi:10.1111/obr.12816 · PMID 30675990 (accessed October 7, 2026) Meta-analysis
- Wadden TA, West DS, Neiberg RH, et al.. One-year weight losses in the Look AHEAD study: factors associated with success. Obesity, 2009. doi:10.1038/oby.2008.637 · PMID 19180071 (accessed October 7, 2026) Randomized trial
- Heymsfield SB, van Mierlo CA, van der Knaap HC, et al.. Weight management using a meal replacement strategy: meta and pooling analysis from six studies. International Journal of Obesity, 2003. doi:10.1038/sj.ijo.0802258 · PMID 12704397 (accessed October 7, 2026) Meta-analysis
Facts checked on October 6, 2026
Educational information, not medical advice. Talk with a qualified healthcare professional about your own situation. In an emergency call 911.
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