Get Started Free

Cheapest Aspartic Acid on iHerb

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

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

The priciest option here costs about 3.1× more per 100 mg of Aspartic Acid 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
9,056 mg1122.990.023View on iHerb →
2
NutriBiotic, Rice Protein Powder, Vanilla, 3 lb (1.36 kg)
NutriBiotic, Rice Protein Powder, Vanilla, 3 lb (1.36 kg)
NutriBiotic
1,033 mg9038.610.042View on iHerb →
3
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
2,635 mg7081.600.044View on iHerb →
4
NutriBiotic, Rice Protein Powder, Chocolate, 3 lb (1.36 kg)
NutriBiotic, Rice Protein Powder, Chocolate, 3 lb (1.36 kg)
NutriBiotic
951 mg8538.610.048View on iHerb →
5
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
2,580 mg7189.990.049View on iHerb →
6
PlantFusion, Complete Protein, Creamy Vanilla Bean, 5 lb (2.25 kg)
PlantFusion, Complete Protein, Creamy Vanilla Bean, 5 lb (2.25 kg)
PlantFusion
2,630 mg7597.480.049View on iHerb →
7
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
2,560 mg7189.990.050View on iHerb →
8
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
2,530 mg7189.990.050View on iHerb →
9
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
2,625 mg6889.950.050View on iHerb →
10
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
2,625 mg6889.950.050View on iHerb →
11
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
2,625 mg6889.950.050View on iHerb →
12
PB2 Foods, Performance, Peanut Protein with Madagascar Vanilla, 2 lb (907 g)
PB2 Foods, Performance, Peanut Protein with Madagascar Vanilla, 2 lb (907 g)
PB2 Foods
2,263 mg2024.990.055View on iHerb →
13
BodyTech, Whey Protein Isolate, Rich Chocolate, 5 lbs (2.27 kg)
BodyTech, Whey Protein Isolate, Rich Chocolate, 5 lbs (2.27 kg)
BodyTech
2,840 mg71118.240.059View on iHerb →
14
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
2,753 mg2744.950.061View on iHerb →
15
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
2,600 mg2844.990.062View on iHerb →
16
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
2,580 mg2844.990.062View on iHerb →
17
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
2,688 mg5289.990.064View on iHerb →
18
PlantFusion, Complete Protein, Rich Chocolate, 2 lb (900 g)
PlantFusion, Complete Protein, Rich Chocolate, 2 lb (900 g)
PlantFusion
2,630 mg3052.480.067View on iHerb →
19
Levels, Grass Fed Whey Protein Powder, Chocolate Peanut Butter, 2 lb (907 g)
Levels, Grass Fed Whey Protein Powder, Chocolate Peanut Butter, 2 lb (907 g)
Levels
2,540 mg2644.990.068View on iHerb →
20
NutraBio, Classic Whey Protein, Orange Dream, 2 lb (907 g)
NutraBio, Classic Whey Protein, Orange Dream, 2 lb (907 g)
NutraBio
2,700 mg2649.990.071View on iHerb →
21
NutraBio, Classic Whey Protein, Pistachio Delight, 2 lb (907 g)
NutraBio, Classic Whey Protein, Pistachio Delight, 2 lb (907 g)
NutraBio
2,700 mg2649.990.071View on iHerb →
22
Metabolic Nutrition, Protizyme, Specialized Designed Protein, Banana Creme, 2 lb (910 g)
Metabolic Nutrition, Protizyme, Specialized Designed Protein, Banana Creme, 2 lb (910 g)
Metabolic Nutrition
2,688 mg2649.990.072View on iHerb →
23
Metabolic Nutrition, Protizyme, Specialized Designed Protein, Peanut Butter Cookie, 2 lb (910 g)
Metabolic Nutrition, Protizyme, Specialized Designed Protein, Peanut Butter Cookie, 2 lb (910 g)
Metabolic Nutrition
2,688 mg2649.990.072View on iHerb →
24
Metabolic Nutrition, Protizyme, Specialized Designed Protein, Strawberry Creme, 2 lb (910 g)
Metabolic Nutrition, Protizyme, Specialized Designed Protein, Strawberry Creme, 2 lb (910 g)
Metabolic Nutrition
2,688 mg2649.990.072View on iHerb →
25
Paradise Herbs, Whey Protein, Natural Vanilla, 32 oz (990 g)
Paradise Herbs, Whey Protein, Natural Vanilla, 32 oz (990 g)
Paradise Herbs
2,307 mg3049.990.072View on iHerb →

How we rank Aspartic Acid

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.