Strength Training Supplements

Shop strength training supplements at GNC. Compare creatine-and-HMB formulas, protein powders and shakes, and beta-alanine by ingredient and format.

Strength Training Supplements Strength Training Supplements

Find strength training supplements that fit your lifting routine, from combined creatine-and-HMB formulas to protein powders, ready-to-drink protein shakes, and standalone beta-alanine. Compare ingredient amounts, protein sources, and preparation requirements to choose formats that work with your schedule and dietary preferences.

Shop the Collection

Compare combined creatine-and-HMB formulas, protein powders and drinks, and standalone beta-alanine by ingredient and format.

Creatine Monohydrate + HMB (30 Servings)
GNC Pro Performance Creatine Monohydrate + HMB (30 Servings)
A micronized powder blend that supports strength, lean muscle, and energy for active men and women.
(13)
$34.99 $34.99
SALE
$34.99 $34.99
SALE
Creatine HMB+ Unflavored (30 Servings)
Universal Nutrition Creatine HMB+ Unflavored (30 Servings)
An unflavored powder combining creatine and HMB to support strength, recovery, and lean muscle growth.
(78)
$49.99 $49.99
SALE
What customers like:
Easy to mix and drink
Increased strength and workout performance
Muscle growth and fullness
Improved recovery
Great taste and smooth texture
$49.99 $49.99
SALE
Plant Isolate Protein - Strawberry Banana (28 Servings)
GNC AMP Plant Isolate Protein - Strawberry Banana (28 Servings)
A vegan strawberry-banana protein powder with pea and fava isolates, nine amino acids, and no soy.
(93)
$54.99 $54.99
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What customers like:
Pleasant strawberry-banana taste
Filling with solid protein and macros
Smooth, creamy texture
Plant-based, clean ingredients
Blends easily with water
$54.99 $54.99
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Protein Shake RTD - Strawberry Milkshake - 12 fl oz. (12 Bottles)
Raw Nutrition Protein Shake RTD - Strawberry Milkshake - 12 fl oz. (12 Bottles)
A ready-to-drink strawberry milkshake protein shake with 30g protein, 160 calories, and zero added sugar.
(31)
$49.99 $49.99
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What customers like:
Low in calories and sugar
Convenient ready-to-drink option
Great taste
Creamy and smooth texture
High protein content
$49.99 $49.99
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Beta-Alanine 3200mg - 120 Caplets (30 Servings)
GNC Pro Performance Beta-Alanine 3200mg - 120 Caplets (30 Servings)
A clinically studied muscle pH buffer that boosts muscle carnosine levels and controls fatigue.
(21)
$26.99 $26.99
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What customers like:
Reduced soreness after workouts
Effective muscle growth
Increased energy during workouts
Improved workout performance
Good value for price
$26.99 $26.99
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Beta-Alanine (30 Servings)
Swolverine Beta-Alanine (30 Servings)
A pure, unflavored beta-alanine supplement supporting training endurance with gluten-free, soy-free, non-GMO ingredients.
(0)
$19.99 $19.99
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$19.99 $19.99
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Bulk 1340 - Strawberries and Cream (9 Servings)
GNC Pro Performance Bulk 1340 - Strawberries and Cream (9 Servings)
A high-calorie mass gainer with protein, creatine, and carbohydrates to support muscle energy, recovery, and growth.
(901)
$54.99 $54.99
SALE
What customers like:
Great taste
Quick delivery
Helps with weight gain
Effective in gaining mass
Easy to mix
$54.99 $54.99
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Serious Mass - Vanilla (8 Servings)
Optimum Nutrition Serious Mass - Vanilla (8 Servings)
A high-calorie protein powder with 50g of protein, 1250 calories, and 25 vitamins and minerals.
(632)
$74.99 $74.99
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What customers like:
High calorie content
Suitable for bulking up
Great taste
Effective for weight gain
Positive results noticed
$74.99 $74.99
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Serious Mass - Strawberry (8 Servings)
Optimum Nutrition Serious Mass - Strawberry (8 Servings)
A strawberry-flavored protein powder with 1250 calories, 50g of protein, and 254g of carbohydrates per serving.
(632)
$74.99 $74.99
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What customers like:
Feel better
Good taste
Look better
Helps with muscle mass
$74.99 $74.99
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Serious Mass - Chocolate Peanut Butter (8 Servings)
Optimum Nutrition Serious Mass - Chocolate Peanut Butter (8 Servings)
A high-calorie protein powder in chocolate peanut butter flavor, supporting weight gain goals with added vitamins.
(632)
$74.99 $74.99
SALE
What customers like:
No weird aftertaste
Great taste
Impressive results
Effective for weight gain
Improves strength
$74.99 $74.99
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Serious Mass - Banana (8 Servings)
Optimum Nutrition Serious Mass - Banana (8 Servings)
A high-calorie protein powder with 1,250 calories, 50g of protein, and 253g of carbohydrates per serving.
(632)
$74.99 $74.99
SALE
What customers like:
High product quality
Filling and satisfying
Supports muscle mass
Effective for weight gain
Delicious banana flavor
$74.99 $74.99
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Serious Mass - Chocolate (16 Servings)
Optimum Nutrition Serious Mass - Chocolate (16 Servings)
A high-calorie, protein-packed weight-gain supplement with added vitamins, minerals, and creatine in chocolate flavor.
(632)
$110.99 $110.99
SALE
What customers like:
Effective for weight gain and muscle building
Great taste
Ability to combine with other items
Easy to mix and dissolve
Helpful for reaching calorie and protein goals
$110.99 $110.99
SALE
MASS XXX with MyoTor - Chocolate (13 Servings)
GNC AMP MASS XXX with MyoTor - Chocolate (13 Servings)
A chocolate protein powder with creatine, MyoTOR, carbohydrates, healthy fats, gluten-free formulation, and no artificial colors.
(189)
$99.99 $99.99
SALE
What customers like:
Easy to drink and well tolerated
Supports muscle growth and mass gain
Helps with strength, reps, and workout performance
Good chocolate taste and rich flavor
Smooth texture that mixes and dissolves easily
$99.99 $99.99
SALE
Mass XXX with MyoTor  - Vanilla (13 Servings)
GNC AMP Mass XXX with MyoTor - Vanilla (13 Servings)
A vanilla protein powder delivering 50g protein with creatine, MyoTOR, BETAPOWER, and gluten-free ingredients.
(189)
$99.99 $99.99
SALE
What customers like:
Effective weight and muscle gain
Smooth, easy-mixing texture
Comfortable and satisfying to drink
Supports strength and workout performance
Good flavor and taste
$99.99 $99.99
SALE
MASS XXX with MyoTor - Strawberry (13 Servings)
GNC AMP MASS XXX with MyoTor - Strawberry (13 Servings)
A strawberry-flavored gluten-free protein powder providing 50g protein with creatine, MyoTOR, BETAPOWER, and third-party testing.
(189)
$99.99 $99.99
SALE
What customers like:
Easy on the stomach
Supports muscle growth, strength, and mass
Good strawberry flavor
Smooth texture and easy mixing
Improves workout performance and recovery
$99.99 $99.99
SALE
MASS XXX with MyoTor - Cookies and Cream (13 Servings)
GNC AMP MASS XXX with MyoTor - Cookies and Cream (13 Servings)
A cookies-and-cream protein powder with creatine, MyoTOR, carbohydrates, healthy fats, and 50g protein.
(189)
$99.99 $99.99
SALE
What customers like:
Supports muscle and mass gain
Improves strength and workout performance
Mixes smoothly with a soft texture
Easy to drink and dissolve
Good taste and rich flavor
$99.99 $99.99
SALE
Protein + Creatine - Creamy Vanilla (20 Servings)
Vega Protein + Creatine - Creamy Vanilla (20 Servings)
A creamy vanilla powder blend offering 30g plant-based protein, 3g creatine, and 5g BCAAs.
(89)
$54.99 $54.99
SALE
What customers like:
Mixes well
Includes creatine
Smooth taste
Delicious flavor
$54.99 $54.99
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Creatine HMB+ Dragon Berry (30 Servings)
Universal Nutrition Creatine HMB+ Dragon Berry (30 Servings)
A muscle-building powder with myHMB®, electrolytes, and a dragon berry flavor for recovery support.
(78)
$49.99 $49.99
SALE
What customers like:
Mixes smoothly and easily
Convenient creatine, HMB, and electrolyte blend
Increased strength and workout performance
Great dragon berry flavor
Improved recovery
$49.99 $49.99
SALE
Protein + Creatine - Creamy Chocolate (20 Servings)
Vega Protein + Creatine - Creamy Chocolate (20 Servings)
A potent formula with milk thistle, turmeric, and ginkgo biloba to support liver health and metabolism.
(89)
$54.99 $54.99
SALE
What customers like:
Smooth texture
Not chalky
Good flavor
No clumps
$54.99 $54.99
SALE
Creatine HMB+ Smarties (30 Servings)
Universal Nutrition Creatine HMB+ Smarties (30 Servings)
A smarties-flavored powder combining creatine and HMB to support strength, recovery, and lean muscle growth.
(78)
$49.99 $49.99
SALE
What customers like:
Creatine and HMB combination
Easy to mix and drink
Increased strength and workout performance
Great Smarties flavor
Improved recovery
$49.99 $49.99
SALE
COR-Performance Creatine - Green Apple Jolly Rancher (50 Servings)
Cellucor COR-Performance Creatine - Green Apple Jolly Rancher (50 Servings)
A micronized creatine powder in green apple flavor that boosts strength, endurance, and muscle recovery.
(59)
$24.99 $24.99
SALE
What customers like:
Convenient and easy to use
Provides noticeable energy and strength benefits
Supports muscle recovery and endurance
Mixes easily with no clumps or grit
Great green apple flavor
$24.99 $24.99
SALE
COR-Performance Creatine - Cherry Jolly Rancher (50 Servings)
Cellucor COR-Performance Creatine - Cherry Jolly Rancher (50 Servings)
A micronized creatine powder in Cherry Jolly Rancher flavor that supports strength, endurance, and muscle recovery.
(59)
$24.99 $24.99
SALE
What customers like:
Convenient and easy to use
Good value for the price
Great cherry flavor
Mixes easily with no clumps or grit
Supports strength and muscle recovery
$24.99 $24.99
SALE
Mass Pro High Protein Mass Gainer- Chocolate (14 Servings)
G6 Sports Mass Pro High Protein Mass Gainer- Chocolate (14 Servings)
A Chocolate-flavored mass gainer with 64g protein per serving, ideal for growth support with low sugar.
(29)
$119.99 $119.99
SALE
What customers like:
Good taste
No excess sugar
High protein/calorie ratio
Effective results
Includes BCAAs and creatine
$119.99 $119.99
SALE
Creatine+ HMB - Sour Blood Orange (30 Servings)
Raw Nutrition Creatine+ HMB - Sour Blood Orange (30 Servings)
A sour blood orange powder combining 5g creatine monohydrate, 3g HMB, and 200mg stabilized tyrosol.
(20)
$39.99 $39.99
SALE
What customers like:
Enjoyable blood orange flavor
Effective formula
Easy to use
Increased energy
High-quality product
$39.99 $39.99
SALE

FAQ

Choose strength training supplements by looking beyond the product name to the ingredients and format. Combined creatine-and-HMB formulas put both ingredients in one product, while other formulas feature creatine alone or alongside different ingredients. If you want to compare another form of creatine, explore creatine HCl powders and review each ingredient panel. Check the amounts listed per serving, whether additional ingredients are included, and how the product is prepared. For standalone beta-alanine, the same label-first approach helps distinguish a single-ingredient option from a broader blend. Powder and caplet formats also have different serving directions, so compare the full serving rather than assuming one scoop or caplet represents the same amount across products.

Protein selection brings source, flavor, and everyday convenience into the decision. Powders offer a mix-at-home format, while ready-to-drink options come prepared for days when you prefer less setup. Compare protein per serving alongside the rest of the nutrition information, including calories, carbohydrates, and added sugars, according to your preferences. Review the protein sources and dietary labeling separately; a claim about lactose does not identify whether a formula uses plant or milk-derived protein. Preparation and storage directions matter, too, especially when choosing something to carry to work or the gym. Use those practical differences to find nutrition choices that fit your routine.