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Best gnc weight loss products - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

GNC

GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Vanilla, 13 Servings, 6 Pounds

GNC

$84.99

More Details
Main highlights
- Increase Mass with 40% Fewer Sets: Delivers 50g of protein, including naturally occurring EAAs, plus carbs, and healthy fats—and it’s clinically proven to help get better results out of workouts
- Improve Stamina: Take resistance training to a new limit with MyoTOR’s clinically studied support for improved muscle endurance and BETAPOWER’s athletic performance benefits
- Improve Muscle Strength in As Early as 2 Weeks: MyoTOR is clinically proven to accelerate improvements in strength with as little as 2 weeks of training and included in every serving of Mass XXX mass gainer
- Clinically Proven Gainer: Mass XXX mass gainer combines high-quality protein powder, key nutrients, and science-backed innovations—including MyoTOR, creatine, and BETAPOWER—to fuel proven results and performance
- Banned Substance Tested: Product was tested and monitored for over 220 banned substances on the 2020 World Anti-Doping Agency (WADA) Prohibited list via LGC skip lot testing.
$84.99
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

GNC

GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Chocolate, 13 Servings, 6 Pounds

GNC

$84.99

More Details
Main highlights
- Increase Mass with 40% Fewer Sets: Delivers 50g of protein, including naturally occurring EAAs, plus carbs, and healthy fats—and it’s clinically proven to help get better results out of workouts
- Improve Stamina: Take resistance training to a new limit with MyoTOR’s clinically studied support for improved muscle endurance and BETAPOWER’s athletic performance benefits
- Improve Muscle Strength in As Early as 2 Weeks: MyoTOR is clinically proven to accelerate improvements in strength with as little as 2 weeks of training and included in every serving of Mass XXX mass gainer
- Clinically Proven Gainer: Mass XXX mass gainer combines high-quality protein powder, key nutrients, and science-backed innovations—including MyoTOR, creatine, and BETAPOWER—to fuel proven results and performance
- Banned Substance Tested: Product was tested and monitored for over 220 banned substances on the 2020 World Anti-Doping Agency (WADA) Prohibited list via LGC skip lot testing.
$84.99
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

GNC

GNC Lean Shake 25 Protein Shake, Clinically Proven Weight Management, Meal Replacement, 25g Protein with Zero Added Sugar, Ready To Drink, Vanilla Bean, Pack of 12

GNC

$34.99

More Details
Main highlights
- LEAN IN WITH TOTAL LEAN: GNC Total Lean simplifies the path toward a healthier life by making every individual journey more fun, delicious, and convenient while helping you to stay on top of your goals and be totally you.
- HUNGER-SATISFYING: High-protein meal replacement shake on the go
- GUILT-FREE MEAL REPLACEMENT: Containing just 2g sugar per serving, Lean Shake 25 is ideal for a low-carb diet and provides a delicious meal replacement option with several vitamins and minerals to help you support a healthy metabolism and immune system.
- CONVENIENT, READY TO DRINK PROTEIN SHAKE: Skip the hassle and opt for the convenience of Lean Shake 25’s high-protein formula, it’s great for a meal replacement or on-the-go snack.
- COMPREHENSIVE NUTRITIONAL SUPPORT: GNC Total Lean’s on-the-go meal replacement shake is a unique blend of flavor and function made with 25g of high-quality protein and 3 grams of fiber, so you feel fuller longer and eat less.
$34.99
4
Best Value
30% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

GNC
30% Off

GNC Mega Men Energy and Metabolism Vitapak Program, Convenient, Complete Nutrition, 5 Products in 1 Packet, Calorie Burn, Thermogenic, 300mg Caffeine, 30 Daily Packs

GNC

$41.99

$59.99
(30% Off)

More Details
Main highlights
- Sexual Health: Includes herbs that are traditionally used to support sexual health and L-arginine, which plays a role in sexual health.
- Muscle Fuel: L-Carnitine helps use fatty acids as energy and fuels skeletal muscles.
- Heart Health: Each fish oil pill is packed with 700mg of EPA, which is important for cardiovascular and circulatory health.
- Energy and Metabolism: Features a clinically studied calorie-burning blend of thermogenic ingredients plus 200mg of caffeine for focus and alertness. Also provides nutrients to support physical endurance and energy production.
- Clinically Proven Multivitamin Blend: Clinically proven to work better than a basic multi at boosting levels of key nutrients that support energy production and immune health
$41.99
$59.99 (30% Off)
5
17% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

GNC
17% Off

GNC AMP Men’s Ripped Vitapak Program, 4 in 1 Product Vitamin Pack, Metabolism & Lean Muscle Tone, Burn Calories, Water Shedding, Adult Multivitamin, Caffeine, CLA, Proven Ingredients, 30-Day Supply

GNC

$65.63

$79.99
(17% Off)

More Details
Main highlights
- Regulate Excess Water: Each pack includes Waterex, a nature-based herbal blend
- Improve Performance and Endurance: Support performance and endurance with your pack’s multivitamin and Thermo Igniter 12X formula.
- Improve Body Composition: Every pack includes CLA to help reveal more muscle and improve lean muscle tone.
- Clinically Proven Multivitamin Blend: Our multivitamin blend is clinically proven to work better than a basic multi at boosting levels of key nutrients that support energy production and immune health.
- Burn Up To 12 Times More Calories: GNC AMP Men’s Ripped Vitapak Program features a clinically studied thermogenic blend shown to increase metabolism before, during, and after exercise.
$65.63
$79.99 (17% Off)

Best gnc weight loss products - Holiday Sale 2025

GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Vanilla, 13 Servings, 6 Pounds

GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Chocolate, 13 Servings, 6 Pounds

GNC Lean Shake 25 Protein Shake, Clinically Proven Weight Management, Meal Replacement, 25g Protein with Zero Added Sugar, Ready To Drink, Vanilla Bean, Pack of 12

GNC Mega Men Energy and Metabolism Vitapak Program, Convenient, Complete Nutrition, 5 Products in 1 Packet, Calorie Burn, Thermogenic, 300mg Caffeine, 30 Daily Packs

GNC AMP Men’s Ripped Vitapak Program, 4 in 1 Product Vitamin Pack, Metabolism & Lean Muscle Tone, Burn Calories, Water Shedding, Adult Multivitamin, Caffeine, CLA, Proven Ingredients, 30-Day Supply

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GNC Women’s Energy and Metabolism Vitapak Program, Convenient Complete Nutrition, 4 Products in 1 Packet, Calorie Burn, Mental Sharpness, 200mg Caffeine, with Proven Ingredients, Omega 3s, 30 svgs

GNC Lean Shake 25 Protein Shake, Clinically Proven Weight Management, Meal Replacement, 25g Protein with Zero Added Sugar, Ready To Drink, Strawberries and Cream, Pack of 12

GNC Lean Shake 25 Protein Shake, Clinically Proven Weight Management, Meal Replacement, 25g Protein with Zero Added Sugar, Ready To Drink, Banana Cream, Pack of 12

GNC Lean Shake Burn With Caffeine, Clinically Proven Weight Management, Ready to Drink Meal Replacement, 25g Protein with Zero Added Sugar, Vanilla Latte, Pack of 12

GNC Mega Men 40+ Vitapak, 5-in-1 Multivitamin Pack, Energy Production, Men's Health, Edible Dietary Supplement, 30 Servings

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GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength, Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Cookies & Cream, 13 Servings, 6 SVG

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