Get Started Free

Cheapest Leucine on iHerb

Ranked by real cost per 100 mg of Leucine — cheapest value first.

Prices updated Jul 25, 2026 · 25 products · Prices in USD

The priciest option here costs about 3.5× more per 100 mg of Leucine than the best-value pick Designer Wellness. For the same daily dose, choosing by cost per unit instead of sticker price can meaningfully cut your yearly spend.
#ProductDoseServingsPrice (USD)Cost per 100 mg
1
Designer Wellness, Designer Whey, Natural 100% Whey Protein Powder, Gourmet Chocolate, 12 oz (340 g)
Designer Wellness, Designer Whey, Natural 100% Whey Protein Powder, Gourmet Chocolate, 12 oz (340 g)
Designer Wellness
11,011 mg1122.990.019View on iHerb →
2
Metabolic Nutrition, Hydra EAA, Watermelon, 35.2 oz (1,000 g)
Metabolic Nutrition, Hydra EAA, Watermelon, 35.2 oz (1,000 g)
Metabolic Nutrition
4,500 mg4059.990.033View on iHerb →
3
Metabolic Nutrition, Hydra EAA, Fruit Punch , 35.2 oz (1,000 g)
Metabolic Nutrition, Hydra EAA, Fruit Punch , 35.2 oz (1,000 g)
Metabolic Nutrition
4,500 mg4059.990.033View on iHerb →
4
Metabolic Nutrition, Hydra EAA, Blue Raspberry, 35.2 oz (1,000 g)
Metabolic Nutrition, Hydra EAA, Blue Raspberry, 35.2 oz (1,000 g)
Metabolic Nutrition
4,500 mg4059.990.033View on iHerb →
5
BSN, AminoX®, EAAs, Strawberry Dragon Fruit, 13.2 oz (375 g)
BSN, AminoX®, EAAs, Strawberry Dragon Fruit, 13.2 oz (375 g)
BSN
2,500 mg2523.010.037View on iHerb →
6
BSN, AminoX, EAAs, Muscle Support & Recovery, Watermelon Smash, 13.2 oz (375 g)
BSN, AminoX, EAAs, Muscle Support & Recovery, Watermelon Smash, 13.2 oz (375 g)
BSN
2,500 mg2523.010.037View on iHerb →
7
Bucked Up, Original BCAA 2:1:1, Blue Pineapple, 11.1 oz (315 g)
Bucked Up, Original BCAA 2:1:1, Blue Pineapple, 11.1 oz (315 g)
Bucked Up
3,000 mg3034.990.039View on iHerb →
8
Bucked Up, Original BCAA 2:1:1, Strawberry Mojito, 10.99 oz (311.57 g)
Bucked Up, Original BCAA 2:1:1, Strawberry Mojito, 10.99 oz (311.57 g)
Bucked Up
3,000 mg3034.990.039View on iHerb →
9
NutriBiotic, Rice Protein Powder, Vanilla, 3 lb (1.36 kg)
NutriBiotic, Rice Protein Powder, Vanilla, 3 lb (1.36 kg)
NutriBiotic
1,004 mg9038.610.043View on iHerb →
10
BPI Sports, ISO HD™, 100% Pure Isolate Protein, Vanilla Cookie, 4.8 lbs (2,170 g)
BPI Sports, ISO HD™, 100% Pure Isolate Protein, Vanilla Cookie, 4.8 lbs (2,170 g)
BPI Sports
2,711 mg7081.600.043View on iHerb →
11
NutriBiotic, Rice Protein Powder, Chocolate, 3 lb (1.36 kg)
NutriBiotic, Rice Protein Powder, Chocolate, 3 lb (1.36 kg)
NutriBiotic
924 mg8538.610.049View on iHerb →
12
BPI Sports, Hydro HD™, Hydrolyzed Whey Protein, Vanilla Ice Cream, 4.8 lbs (2,176 g)
BPI Sports, Hydro HD™, Hydrolyzed Whey Protein, Vanilla Ice Cream, 4.8 lbs (2,176 g)
BPI Sports
2,685 mg6889.950.049View on iHerb →
13
BPI Sports, Hydro HD™, Hydrolyzed Whey Protein, Cinnamon Cereal, 4.8 lbs (2,176 g)
BPI Sports, Hydro HD™, Hydrolyzed Whey Protein, Cinnamon Cereal, 4.8 lbs (2,176 g)
BPI Sports
2,685 mg6889.950.049View on iHerb →
14
BPI Sports, Hydro HD™, Hydrolyzed Whey Protein, Fruity Loopers, 4.8 lbs (2,176 g)
BPI Sports, Hydro HD™, Hydrolyzed Whey Protein, Fruity Loopers, 4.8 lbs (2,176 g)
BPI Sports
2,685 mg6889.950.049View on iHerb →
15
Levels, Grass Fed Whey Protein Powder, Vanilla Cinnamon, 5 lb (2.27 kg)
Levels, Grass Fed Whey Protein Powder, Vanilla Cinnamon, 5 lb (2.27 kg)
Levels
2,540 mg7189.990.050View on iHerb →
16
Levels, Grass Fed Whey Protein Powder, Double Chocolate, 5 lbs (2.27 kg)
Levels, Grass Fed Whey Protein Powder, Double Chocolate, 5 lbs (2.27 kg)
Levels
2,500 mg7189.990.051View on iHerb →
17
Levels, Grass Fed Whey Protein Powder, Cappuccino, 5 lb (2.27 kg)
Levels, Grass Fed Whey Protein Powder, Cappuccino, 5 lb (2.27 kg)
Levels
2,490 mg7189.990.051View on iHerb →
18
PlantFusion, Complete Protein, Creamy Vanilla Bean, 5 lb (2.25 kg)
PlantFusion, Complete Protein, Creamy Vanilla Bean, 5 lb (2.25 kg)
PlantFusion
2,340 mg7597.480.056View on iHerb →
19
EHPlabs, OxyWhey, Lean Wellness Protein, Choc Caramel, 2.03 lb (922 g)
EHPlabs, OxyWhey, Lean Wellness Protein, Choc Caramel, 2.03 lb (922 g)
EHPlabs
2,780 mg2744.950.060View on iHerb →
20
BodyTech, Whey Protein Isolate, Rich Chocolate, 5 lbs (2.27 kg)
BodyTech, Whey Protein Isolate, Rich Chocolate, 5 lbs (2.27 kg)
BodyTech
2,770 mg71118.240.060View on iHerb →
21
Metabolic Nutrition, Protizyme, Specialized Designed Protein, Strawberry Creme, 4 lb (1,820 g)
Metabolic Nutrition, Protizyme, Specialized Designed Protein, Strawberry Creme, 4 lb (1,820 g)
Metabolic Nutrition
2,750 mg5289.990.063View on iHerb →
22
Levels, Grass Fed Whey Protein Powder, Vanilla Cinnamon, 2 lb (907 g)
Levels, Grass Fed Whey Protein Powder, Vanilla Cinnamon, 2 lb (907 g)
Levels
2,540 mg2844.990.063View on iHerb →
23
Levels, Grass Fed Whey Protein Powder, Vanilla Bean, 2 lb (907 g)
Levels, Grass Fed Whey Protein Powder, Vanilla Bean, 2 lb (907 g)
Levels
2,540 mg2844.990.063View on iHerb →
24
Snap Supplements, Plant Protein, Vegan Protein Powder, Chocolate, 939 g
Snap Supplements, Plant Protein, Vegan Protein Powder, Chocolate, 939 g
Snap Supplements
1,723 mg3033.960.066View on iHerb →
25
Snap Supplements, Plant Protein, Vegan Protein Powder, Banana, 853 g
Snap Supplements, Plant Protein, Vegan Protein Powder, Banana, 853 g
Snap Supplements
1,723 mg3033.960.066View on iHerb →

How we rank Leucine

Two supplements can list the same dose per serving yet cost very differently once you account for how many servings are in the bottle. We calculate the total nutrient in each container (dose per serving × servings per container), divide the current price by that total, and rank by the resulting cost per unit. Lower is better. Because prices are refreshed automatically, this ranking reflects today's iHerb pricing rather than a snapshot from months ago.

Cost per unit is a starting point, not the whole story — the ideal form, third-party testing, and other ingredients matter too. Always check the label and consult a healthcare professional before starting a supplement.

← Browse all nutrients

Prices update automatically and may differ from iHerb at checkout. Rankings are based on cost per unit of the listed nutrient and are for informational purposes only — not medical advice. Links to iHerb are affiliate links.