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Cheapest L-Glutamine on iHerb

Ranked by real cost per 1,000 mg of L-Glutamine — cheapest value first.

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

The priciest option here costs about 4.5× more per 1,000 mg of L-Glutamine than the best-value pick Nutricost. For the same daily dose, choosing by cost per unit instead of sticker price can meaningfully cut your yearly spend.
#ProductDoseServingsPrice (USD)Cost per 1,000 mg
1
Nutricost, L-Glutamine, Blue Raspberry, 17.9 oz (500 g)
Nutricost, L-Glutamine, Blue Raspberry, 17.9 oz (500 g)
Nutricost
5,000 mg7824.950.064View on iHerb →
2
Nutricost, L-Glutamine, 800 mg, 30 Capsules
Nutricost, L-Glutamine, 800 mg, 30 Capsules
Nutricost
800 mg302.000.083View on iHerb →
3
Advanced Orthomolecular Research AOR, L-Glutamine Powder, Premium, 450 g
Advanced Orthomolecular Research AOR, L-Glutamine Powder, Premium, 450 g
Advanced Orthomolecular Research AOR
5,000 mg9043.000.096View on iHerb →
4
Nutricost, L-Glutamine , 180 Capsules
Nutricost, L-Glutamine , 180 Capsules
Nutricost
800 mg18015.950.111View on iHerb →
5
Super Nutrition, L-Glutamine, 750 mg, 120 Veggie Capsules
Super Nutrition, L-Glutamine, 750 mg, 120 Veggie Capsules
Super Nutrition
750 mg12010.660.118View on iHerb →
6
Force Factor, L-Glutamine Tablets, 1,000 mg, 100 Tablets
Force Factor, L-Glutamine Tablets, 1,000 mg, 100 Tablets
Force Factor
1,000 mg10011.990.120View on iHerb →
7
PrePrimal, L-Glutamine, 800 mg, 180 Capsules
PrePrimal, L-Glutamine, 800 mg, 180 Capsules
PrePrimal
800 mg18017.940.125View on iHerb →
8
Primaforce, L-Glutamine, 800 mg, 150 Capsules
Primaforce, L-Glutamine, 800 mg, 150 Capsules
Primaforce
800 mg15016.250.135View on iHerb →
9
Wellah, L-Glutamine, Strawberry Lemonade, 14.5 oz (405 g)
Wellah, L-Glutamine, Strawberry Lemonade, 14.5 oz (405 g)
Wellah
5,000 mg5033.950.136View on iHerb →
10
Metabolic Maintenance, L-Glutamine Powder, 7 oz (200 g)
Metabolic Maintenance, L-Glutamine Powder, 7 oz (200 g)
Metabolic Maintenance
1,000 mg20034.000.170View on iHerb →
11
Solaray, Pure GutShield Powder, 5.3 oz (150 g)
Solaray, Pure GutShield Powder, 5.3 oz (150 g)
Solaray
4,860 mg3025.990.178View on iHerb →
12
XTEND, 7G BCAA, Strawberry Kiwi Splash, 2.58 lb (1.17 kg)
XTEND, 7G BCAA, Strawberry Kiwi Splash, 2.58 lb (1.17 kg)
XTEND
2,500 mg9048.740.217View on iHerb →
13
NutraBio, CGT MAX™, Raw Unflavored, 0.97 lb (440 g)
NutraBio, CGT MAX™, Raw Unflavored, 0.97 lb (440 g)
NutraBio
4,000 mg4034.990.219View on iHerb →
14
Carlson, L-Glutamine, 750 mg, 90 Capsules
Carlson, L-Glutamine, 750 mg, 90 Capsules
Carlson
750 mg9016.900.250View on iHerb →
15
California Gold Nutrition, L-Glutamine + L-Leucine, 120 Veggie Capsules
California Gold Nutrition, L-Glutamine + L-Leucine, 120 Veggie Capsules
California Gold Nutrition
500 mg607.540.251View on iHerb →
16
BodyTech, Critical Aminos XT®, Intra/Post Workout, Fruit Punch, 11.1 oz (315 g)
BodyTech, Critical Aminos XT®, Intra/Post Workout, Fruit Punch, 11.1 oz (315 g)
BodyTech
2,500 mg4529.990.267View on iHerb →
17
BodyTech, Critical Aminos XT, Intra/Post Workout, Strawberry Lemonade, 16 oz (455 g)
BodyTech, Critical Aminos XT, Intra/Post Workout, Strawberry Lemonade, 16 oz (455 g)
BodyTech
2,500 mg4529.990.267View on iHerb →
18
Solgar, L-Glutamine, 500 mg, 100 Vegetable Capsules
Solgar, L-Glutamine, 500 mg, 100 Vegetable Capsules
Solgar
1,500 mg3313.490.273View on iHerb →
19
XTEND, 7G BCAA, Freedom Ice, 14.3 oz (405 g)
XTEND, 7G BCAA, Freedom Ice, 14.3 oz (405 g)
XTEND
2,500 mg3020.990.280View on iHerb →
20
XTEND, 7G BCAA, Mango Madness, 2.68 lb (1.22 kg)
XTEND, 7G BCAA, Mango Madness, 2.68 lb (1.22 kg)
XTEND
2,500 mg9064.990.289View on iHerb →
21
XTEND, 7G BCAA, Watermelon Explosion, 2.48 lb (1.13 kg)
XTEND, 7G BCAA, Watermelon Explosion, 2.48 lb (1.13 kg)
XTEND
2,500 mg9064.990.289View on iHerb →
22
XTEND, 7G BCAA, Knockout Fruit Punch, 2.58 lb (1.17 kg)
XTEND, 7G BCAA, Knockout Fruit Punch, 2.58 lb (1.17 kg)
XTEND
2,500 mg9064.990.289View on iHerb →
23
XTEND, 7G BCAA, Blue Raspberry Ice, 2.68 lb (1.22 kg)
XTEND, 7G BCAA, Blue Raspberry Ice, 2.68 lb (1.22 kg)
XTEND
2,500 mg9064.990.289View on iHerb →
24
XTEND, 7G BCAA, Italian Blood Orange, 2.82 lb (1.28 kg)
XTEND, 7G BCAA, Italian Blood Orange, 2.82 lb (1.28 kg)
XTEND
2,500 mg9064.990.289View on iHerb →
25
XTEND, 7G BCAA, Lemon-Lime Squeeze, 2.68 lbs (1.22 kg)
XTEND, 7G BCAA, Lemon-Lime Squeeze, 2.68 lbs (1.22 kg)
XTEND
2,500 mg9064.990.289View on iHerb →

How we rank L-Glutamine

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.

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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.