Meet Diamond Bar's Best Meal Prep — Powered by 
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- ✔︎ Chef-Verified
- ✔︎ 4.8-Star Average
- ✔︎ 20 K+ Meals Delivered
Top 10 Meal Prep Services in Diamond Bar
11. Black Market Meal Prep
4.7 (121)
Customizable • Gluten-free options • Macro-friendly
Black Market Meal Prep is a chef-inspired service offering fully customizable meals, available for same-day pickup or delivery seven days a week. The menu includes build-your-own options, smoothies, and snacks.
12. Catered Fit
4.6 (194)
Classic • Paleo • Keto • Vegetarian • Vegan
Catered Fit delivers fresh, chef-cooked meals daily with mix-and-match menus including Classic, Paleo, Meatless, and Keto. Up to 27 different dishes are offered each day.
13. My Healthy Penguin
4.8 (48)
Balanced • Macro-Friendly • High-Protein • Low-Carb • Family-Friendly
My Healthy Penguin delivers a new weekly menu of macro-friendly meals every Sunday across Los Angeles. Portion-controlled comfort foods help busy customers eat healthy without cooking.
14. Z.E.N. Foods
4.8 (23)
Weight-Loss • Paleo • Keto • Gluten-Free • Low-Carb
Z.E.N. Foods (Zero Effort Nutrition) provides premium healthy meal delivery across Los Angeles. Calorie-controlled and specialty plans like Paleo and Keto are delivered daily in temperature-controlled bags.
15. MacroFit Meals
4.5 (119)
Balanced • High-Protein • Low-Carb • Whole Foods • Affordable
MacroFit Meals uses macronutrient science to create balanced, flavorful meal plans at an affordable price. Portion-controlled meals emphasize whole foods and quality ingredients.
16. Muscle Up Meals
5.0 (7)
High-Protein • Low-Carb • Keto • Balanced • Gluten-Free
Muscle Up Meals targets fitness enthusiasts with high-protein, low-carb meals ideal for athletes and bodybuilders. Chef-prepared, macro-balanced dishes are delivered throughout Los Angeles.
17. MealPrep Revolution
4.7 (32)
High-Protein • Clean-Eating • Fully Customizable
MealPrep Revolution specializes in clean, high-protein meals with fully customizable portions. Customers build each meal from chosen proteins, carbs, and veggies for pickup or delivery.
18. Sunfare
4.6 (52)
Weight-Loss • Low-Carb • Paleo • Athlete-Friendly • Family-Style
Sunfare provides fully personalized daily diet programs with plans like Signature, Fat Burn, Paleo, Athlete, and Family Dinners. Fresh meals and snacks are delivered each morning.
19. NutriFit
4.7 (25)
Weight Management • Sports Nutrition • Diabetic • Low-Sodium • Vegan
NutriFit delivers fully prepared, personalized meals designed by dietitians for diverse needs, from sports nutrition to diabetes management. Extensive customization includes anti-inflammatory, vegan, and low-sodium options.
20. Eat Naked LA
4.3 (30)
Custom • Clean Eating • High-Protein • Gluten-Free • Low-Carb
Eat Naked LA prepares meals fresh daily and lets customers fully customize their menus. It positions itself as an affordable alternative to takeout, offering balanced meals for various diets.
Top Meal Prep Services in Diamond Bar – FAQ
How did Prepared pick the top meal prep services in Diamond Bar?
We grade chefs on customer reviews, nutrition accuracy, delivery reliability, and price per gram of protein. Miss any mark and they stay off the list.
How much does meal prep delivery cost in Diamond Bar?
Expect nine to fifteen dollars per meal plus a flat five to seven dollar delivery fee. Bulk plans drop the price, single orders sit at the higher end.
Which diets do these services support?
Keto, high protein, gluten free, paleo, vegan, and low FODMAP are all available. Filter menus to see exact macros.
Do these chefs deliver to my neighborhood?
Yes. Every chef here delivers across greater Diamond Bar. Enter your address at checkout to confirm availability.
How far in advance should I order?
Order by Thursday at six PM for Sunday drop off. Miss the cutoff and the next delivery is a week away.
Are the meals fresh or frozen?
Meals are cooked fresh, chilled, vacuum sealed, never frozen, and stay good in the fridge four to five days.
Can I gift a subscription to a friend?
Absolutely. At checkout just enter their delivery address and your billing details.
What payment methods are accepted?
Prepared accepts Visa, MasterCard, Amex, Discover, Apple Pay and Google Pay.