How we make this list: we compare pricing pages, product documentation and public user reviews. Ratings come from G2, Capterra or Trustpilot, with the date we checked them.
Best meal prep service for weight loss
Direct answer: Factor is the top pick for most people because its Calorie Smart and Protein Plus lines combine dietitian-designed menus, printed macros, and fully prepared meals that heat in about two minutes. BistroMD is the best alternative if you want a structured, physician-designed program with a full-day calorie target instead of single meals.
A meal service built for weight loss does more than deliver food to your door. It controls portions before the box arrives, prints calories and macros on every dish, and keeps protein high enough that a smaller plate still feels like a real meal. The eight services below were judged on calorie-controlled plans, macros and protein, dietitian-designed menus, and portion control.
This guide is not medical advice. Meal delivery can support a weight-management plan, but it cannot replace guidance from a clinician or a registered dietitian. If you have diabetes, heart disease, kidney disease, a history of disordered eating, or another health condition, talk to a clinician or dietitian before you start a calorie-restricted plan.
Key takeaways
- Factor leads for convenience: dietitian-designed prepared meals with clear calories and macros, ready in about two minutes with no cooking.
- BistroMD is the only service here built as a structured weight-loss program, with daily targets of 1,200 to 1,400 calories for women and 1,400 to 1,600 for men.
- Trifecta has the highest protein per meal, up to 55 grams on its Performance plan, which suits people who track macros closely.
- Nutrisystem is the cheapest full day of eating, at about $10.54 to $10.71 per day, but you still buy fresh groceries for flex meals.
- Meal kits work only if you pick their calorie-conscious recipes and weigh portions.
How we picked
We compared the eight services on calorie-controlled plans, published macros and protein per meal, dietitian-designed weight-management menus, and portion control. We checked that every vendor website loads. Prices below are third-party reported and checked 14 November 2026 unless the vendor publishes them directly. Where two reputable sources disagree on a price, both figures appear and the conflict is flagged. One listed service was replaced: Diet-to-Go was dropped because diettogo.com now serves an unrelated sports betting guide instead of a meal service. Nutrisystem replaced it.
Comparison table
| Tool |
Best for |
Starting price |
Free plan |
| Factor |
No-cook dietitian-designed prepared meals |
From $12.99 per meal |
No free plan |
| Trifecta |
Macro tracking and high protein |
From $14.99 per meal |
No free plan |
| BistroMD |
Structured physician-designed weight-loss program |
From $10.99 per meal |
No free plan |
| HelloFresh |
Calorie-smart meal kits for people who cook |
From $10.49 per serving |
No free plan |
| Blue Apron |
Flexible ordering with no subscription |
Meal kits from $7.49 per serving |
No free plan |
| Green Chef |
Organic keto and protein-packed kits |
From $12.99 per serving |
No free plan |
| Sunbasket |
Carb-conscious and diabetes-friendly menus |
Meal kits from $11.49 per serving |
No free plan |
| Nutrisystem |
Full-day structured weight-loss program |
From about $10.54 per day |
No free plan; a la carte from $1.99 per meal |
What should a weight-loss meal service include?
A weight-loss meal service should include published calories and macros for every dish, a calorie-controlled plan or filter, portion sizes set by the service rather than by you, and enough protein to keep you full. Look for dietitian involvement in menu design, because a calorie number alone says nothing about nutrition quality. A useful service also shows sodium and fiber and lets you filter by dietary need.
Which meal prep service is best for calorie counting?
Factor is the best meal prep service for calorie counting for most buyers, because every prepared meal arrives with its calories and macros printed on the label and its Calorie Smart line stays in a defined range. BistroMD is the better choice if you want the counting done for a whole day, since its plans set daily targets of 1,200 to 1,400 calories for women and 1,400 to 1,600 for men. Trifecta suits people who count macros as well as calories.
How much do weight-loss meal services cost?
Weight-loss meal services cost from about $7.49 per serving for a basic meal kit to about $16.00 per meal for a premium prepared service, before shipping, based on third-party price checks dated October and November 2026. Prepared meals cost more than kits: Factor runs $12.99 to $17.49 per meal by plan size, Trifecta $14.99 to $16.00, and BistroMD $10.99 to $14.99. Meal kits are cheaper, with HelloFresh at $10.49 to $13.49, Green Chef at about $12.99, Sunbasket kits from $11.49, and Blue Apron kits from $7.49. Nutrisystem prices by the day at about $10.54 to $10.71.
Prepared meals or meal kits for weight loss?
Prepared meals are the better choice for weight loss if you want portion control without effort, because the calories are fixed before the food reaches you and there is nothing to measure, weigh or second-guess. They suit people who eat alone, work long hours, or know that cooking leads to extra tasting and larger servings. Meal kits are the better choice if you enjoy cooking, want lower per-serving prices, and are comfortable weighing ingredients and following the recipe exactly. Kits give you more control, but extra oil can push a 600 calorie recipe past its label.
Quick comparison
| Tool | Best for | Starting price | Free plan |
|---|
 Factor | No-cook dietitian-designed prepared meals with clear calories and macros | From $12.99 per meal on the 14-meal plan; $17.49 on the 4-meal plan, third-party reported, checked 6 November 2026. Conflict: AARP reported $11.49 as the starting price, while MealFan recorded $12.99. | No free plan; first-box discounts advertised |
 Trifecta | Macro tracking and high-protein meals for active people | From $14.99 per meal on the 14-meal plan; $16.00 on the 7-meal plan, third-party reported, checked 8 November 2026. Shipping conflict: MealFan recorded $12.99 per delivery, TopConsumerReviews $9.99. | No free plan; first-order discounts advertised |
 BistroMD | A structured physician-designed weight-loss program with full-day calorie targets | From $10.99 per meal on the 20-meal flexible plan; $14.99 on the 10-meal plan, third-party reported, checked 20 October 2026. Conflict: MealFan lists $10.99 in its weight-loss review but $8.24 in its high-protein ranking, so treat the low figure as unverified. | No free plan; 50% off the first week advertised |
 HelloFresh | Calorie-smart meal kits for people who like to cook | From $10.49 to $13.49 per serving by plan size, third-party reported, checked 20 October 2026 at ZIP code 10001; shipping is $10.99 per box | No free plan; first-box discounts advertised for new customers |
 Blue Apron | Flexible ordering with no subscription required | Meal kits from $7.49 to $14.99 per serving; prepared meals from $8.99 to $14.99, third-party reported, checked 20 October 2026; shipping is $11.49 per delivery without Blue Apron+ | No free plan; $25 off the first two orders advertised with code WELCOME25 |
 Green Chef | Organic keto and protein-packed meal kits | From $12.99 per serving, third-party reported, checked 20 October 2026; shipping is $10.99 per box. Conflict: some sources list $11.99 per serving, while MealFan and RankingRight record $12.99. | No free plan; first-box discounts advertised for new customers |
 Sunbasket | Carb-conscious, keto-friendly and diabetes-friendly menus | Meal kits from $11.49 per serving; prepared meals from $9.99 per meal, third-party reported, checked 20 October 2026; shipping is $10.99 and the minimum order is $65 | No free plan; first-order discounts advertised for new customers |
 Nutrisystem | A full-day structured weight-loss program at the lowest daily cost | From about $10.54 per day for the Basic plan on a four-week auto-delivery plan, third-party reported, updated 4 November 2026. Conflict: MealFan recorded $299.99 per 28-day shipment, or $10.71 per day, while ConsumerAffairs recorded $294.99, or $10.54 per day. The vendor site lists a la carte meals from $1.99 each. | No free plan; auto-delivery discounts and prepay rates advertised |
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The 8 best meal prep services for weight loss
#1
Factor
Best for: No-cook dietitian-designed prepared meals with clear calories and macros
Visit factor75.com
Starting priceFrom $12.99 per meal on the 14-meal plan; $17.49 on the 4-meal plan, third-party reported, checked 6 November 2026. Conflict: AARP reported $11.49 as the starting price, while MealFan recorded $12.99.
Free planNo free plan; first-box discounts advertised
Factor is the most complete no-cook answer in this guide. Every meal arrives fresh, never frozen, with calories and macros on the label, and the Calorie Smart line keeps most dishes at 550 calories or fewer. The Protein Plus line reaches 40 to 55 grams of protein per meal. Factor suits a single person or a couple who will not cook.
What we like- Fully prepared meals heat in about two minutes
- Dietitian-designed Calorie Smart and Protein Plus lines
- Median protein of about 40 grams per meal in an October 2026 dish audit
Watch out for- The highest per-meal cost among prepared services here, plus about $12.99 shipping per box
Starting priceFrom $14.99 per meal on the 14-meal plan; $16.00 on the 7-meal plan, third-party reported, checked 8 November 2026. Shipping conflict: MealFan recorded $12.99 per delivery, TopConsumerReviews $9.99.
Free planNo free plan; first-order discounts advertised
Trifecta is built for people who track food rather than guess at it. Its Paleo, Keto, Performance and Clean plans all publish full macros, and the Performance plan delivers 45 to 55 grams of protein per meal, which suits strength training. The drawback is cost: even the largest plan starts near $15 per meal, and the $99 minimum order makes a small trial expensive.
What we like- Performance plan meals reach 45 to 55 grams of protein, the highest here
- Organic, grass-fed and wild-caught ingredients
- Ships to all 50 states including Alaska and Hawaii
Watch out for- Premium pricing at $14.99 to $16.00 per meal, a $99 minimum order, and a smaller menu rotation than the big kit services
#3
BistroMD
Best for: A structured physician-designed weight-loss program with full-day calorie targets
Visit bistromd.com
Starting priceFrom $10.99 per meal on the 20-meal flexible plan; $14.99 on the 10-meal plan, third-party reported, checked 20 October 2026. Conflict: MealFan lists $10.99 in its weight-loss review but $8.24 in its high-protein ranking, so treat the low figure as unverified.
Free planNo free plan; 50% off the first week advertised
BistroMD is the only service here that works as a structured weight-loss program rather than a menu with calorie labels. Its three stages set daily targets of 1,200 to 1,400 calories for women and 1,400 to 1,600 for men. Each entree runs about 300 to 450 calories with 25 to 30 grams of protein. The weakness is cost: $19.95 shipping per delivery adds more than $1,000 a year for weekly orders.
What we like- Founded in 2005 by Dr. Caroline Cederquist, a board-certified bariatric physician
- Three-stage plan that adjusts calories as you lose weight
- Full-day coverage with breakfast, lunch and dinner
Watch out for- Shipping of $19.95 per delivery is the highest here, meals are frozen and need freezer space, and delivery covers the continental United States only
Starting priceFrom $10.49 to $13.49 per serving by plan size, third-party reported, checked 20 October 2026 at ZIP code 10001; shipping is $10.99 per box
Free planNo free plan; first-box discounts advertised for new customers
HelloFresh is the practical kit option for weight loss, provided you use it deliberately. Its Calorie Smart recipes are labelled with calories per serving. The menu is the widest here, with more than 50 recipes a week. The catch is that HelloFresh is a cooking service, not a portion-control service: the finished meal depends on your pan and your oil. A recipe labelled at 650 calories can drift higher with extra butter.
What we like- The largest weekly kit menu here, with more than 50 recipes
- A dedicated Calorie Smart filter with nutrition per serving
- Flexible plan sizes for two or four people
Watch out for- Cooking takes 25 to 35 minutes per meal, the calorie-smart recipes are only a subset of the menu, and final calories depend on how closely you follow the recipe
Starting priceMeal kits from $7.49 to $14.99 per serving; prepared meals from $8.99 to $14.99, third-party reported, checked 20 October 2026; shipping is $11.49 per delivery without Blue Apron+
Free planNo free plan; $25 off the first two orders advertised with code WELCOME25
Blue Apron changed its model in 2026 to drop the subscription requirement, which makes it the most flexible service here. You can order a single box without a recurring charge, and the entry price of $7.49 per serving is the lowest here. The weakness is focus: Blue Apron is a general meal kit service, not a weight-management program, so you must pick the lighter recipes yourself.
What we like- No subscription needed, so you order only when you want food
- The lowest starting price per serving here at $7.49
- Oven-ready and ready-to-eat options alongside classic kits
Watch out for- Weight-loss-specific recipes are a small part of the menu, there is no dedicated calorie-controlled plan, and per-order pricing varies with the dishes you choose
Starting priceFrom $12.99 per serving, third-party reported, checked 20 October 2026; shipping is $10.99 per box. Conflict: some sources list $11.99 per serving, while MealFan and RankingRight record $12.99.
Free planNo free plan; first-box discounts advertised for new customers
Green Chef is the organic option for weight loss, and its keto and protein-packed plans are the most relevant for calorie-conscious buyers. Keto recipes keep net carbs low, which suits a lower-carb approach, and the protein-packed plan keeps protein high across the week. Recipes take 25 to 40 minutes to cook, and the minimum order is two servings across three meals, so it fits couples better than single diners.
What we like- USDA-certified organic ingredients, the only certified organic kit here
- Dedicated keto, protein-packed, Mediterranean and plant-based plans
- Fish or seafood three to four times a week on the Mediterranean plan
Watch out for- The most expensive meal kit per serving here, a minimum order of two servings across three meals, and keto plans limit recipe choice each week
#7
Sunbasket
Best for: Carb-conscious, keto-friendly and diabetes-friendly menus
Visit sunbasket.com
Starting priceMeal kits from $11.49 per serving; prepared meals from $9.99 per meal, third-party reported, checked 20 October 2026; shipping is $10.99 and the minimum order is $65
Free planNo free plan; first-order discounts advertised for new customers
Sunbasket is the strongest kit service here for people who manage carbs as well as calories. Its diabetes-friendly plan was developed by in-house dietitians, with meals at about 400 to 700 calories and sodium under 700 milligrams per serving. The carb-conscious line caps net carbs at 35 grams, and the keto-friendly line caps them at 15 grams with 550 calories or fewer. The $65 minimum order is the main friction.
What we like- Dietitian-developed diabetes-friendly plan with defined calorie and carb ranges
- Carb-conscious meals capped at 35 grams of net carbs
- Keto-friendly meals capped at 15 grams of net carbs and 550 calories
Watch out for- A $65 minimum order makes small trials awkward, delivery is not available in Montana, North Dakota and parts of New Mexico, and premium proteins can raise the per-serving price
#8
Nutrisystem
Best for: A full-day structured weight-loss program at the lowest daily cost
Visit nutrisystem.com
Starting priceFrom about $10.54 per day for the Basic plan on a four-week auto-delivery plan, third-party reported, updated 4 November 2026. Conflict: MealFan recorded $299.99 per 28-day shipment, or $10.71 per day, while ConsumerAffairs recorded $294.99, or $10.54 per day. The vendor site lists a la carte meals from $1.99 each.
Free planNo free plan; auto-delivery discounts and prepay rates advertised
Nutrisystem is the most structured and the cheapest per day in this guide, because it prices a full day of eating. A Basic plan covers breakfast, lunch, dinner and a snack for five days a week, with two flex days where you cook your own meals from guidelines, at about $10.54 to $10.71 per day, far below a day of prepared meals from Factor or Trifecta. The menu is narrower than a kit service, Basic plans rely on shelf-stable meals, and you still shop for fresh groceries to complete the plan.
What we like- The lowest cost per day here for full-day coverage
- Dietitian-designed plans with portion-controlled meals
- High-protein and GLP-1 friendly menu filters
- More than five million customers served, according to the vendor
Watch out for- You still buy fresh groceries for flex meals and snacks, the Basic plan uses shelf-stable meals with no frozen options, and cancelling auto-delivery after the first shipment can trigger a charge for the first-shipment discount
Frequently asked questions
What is the best meal prep service for weight loss overall?
Factor is the best overall pick for most people because it combines dietitian-designed prepared meals, printed calories and macros, and zero cooking. Its Calorie Smart line keeps most meals at 550 calories or fewer, and its Protein Plus line reaches 40 to 55 grams of protein per meal. BistroMD is the best alternative for a structured program with a full-day calorie target.
How many calories should a weight-loss meal have?
Most weight-loss meals in this guide fall between 300 and 700 calories, with BistroMD entrees at 300 to 450 calories and Factor Calorie Smart meals at 550 calories or fewer. A full day usually targets 1,200 to 1,400 calories for women and 1,400 to 1,600 for men on structured plans, but the right target depends on your age, size, activity and health. Confirm your personal target with a clinician or dietitian.
Are meal kits or prepared meals better for weight loss?
Prepared meals are better for weight loss when portion control matters most, because calories are fixed before the food arrives and there is nothing to weigh or measure. Meal kits are better when you enjoy cooking and want a lower price per serving, but the finished calories depend on how closely you follow the recipe. Kits work well for careful cooks who weigh ingredients. Prepared meals work better for busy people and single diners.
Can I lose weight with HelloFresh or Blue Apron?
You can lose weight with HelloFresh or Blue Apron if you choose their lighter recipes, follow the portions exactly, and track the calories of everything you add while cooking. HelloFresh has a Calorie Smart filter and Blue Apron has a Wellness menu, but neither sets a daily calorie target. The risk is drift: extra oil, butter or sauce can push a labelled 650 calorie recipe well above its stated figure. These kits suit disciplined cooks.
Is Nutrisystem or BistroMD better for structured weight loss?
Nutrisystem is better if cost matters most, at about $10.54 to $10.71 per day for a full day of food, and it suits people who want a fixed daily routine with flex days for home cooking. BistroMD is better if you want a physician-designed program, with a three-stage plan that adjusts calories as you lose weight. BistroMD costs more per meal and charges $19.95 shipping, while Nutrisystem asks you to buy fresh groceries.
Sources we checked (18)
- https://www.factor75.com
- https://www.mealfan.com/meal-delivery-price-index/
- https://www.aarp.org/health/healthy-living/cheapest-meal-delivery/
- https://www.trifectanutrition.com
- https://mealfan.com/best-meal-delivery-for-weight-loss/
- https://www.bistromd.com
- https://mealfan.com/reviews/bistromd
- https://www.hellofresh.com
- https://www.rankingright.com/meal-delivery/review/hellofresh
- https://www.blueapron.com
- https://mealfan.com/meal-delivery-couples-new-york-state/
- https://www.greenchef.com
- https://mealfan.com/meal-delivery-washington-state/
- https://www.sunbasket.com
- https://www.mealfan.com/meal-delivery-houston-tx/
- https://www.nutrisystem.com
- https://mealfan.com/reviews/nutrisystem/
- https://www.consumeraffairs.com/nutrition/nutrisystem.htm
Is your product missing or out of date?
We review this list regularly. Vendors can request a listing, send updated pricing or ask about featured placement.
Shihab Mia · Founder, Rankite
Shihab has 5+ years in B2B and SaaS SEO. He writes Rankite's software buying guides from pricing pages, documentation and public user reviews. More about Shihab.