Glutamine · per 5 g
Optimum Nutrition vs Nutricost glutamine
Nutricost costs 50% less per 5 g than Optimum Nutrition: $0.17 vs $0.33. At one serving a day that is $60.23 a year instead of $121.18, $60.95 less.
Popular brand

Optimum Nutrition
Glutamine Powder · UnFlavored · 194 Servings
- Per serving
- $0.33 per 5 g
- A year, one serving a day
- $121.18
- Container
- $64.49 at Optimum Nutrition
No. 1 cheapest on our list50% less

Nutricost
L-Glutamine Powder · Unflavored · 1 KG
- Per serving
- $0.17 per 5 g
- A year, one serving a day
- $60.23
- Container
- $32.97 at Nutricost
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Side by side
| Detail | Optimum Nutrition | Nutricost |
|---|---|---|
| Price per 5 g | $0.33 | $0.17 |
| A year, one serving a day | $121.18 | $60.23 |
| Container price | $64.49 at Optimum Nutrition | $32.97 at Nutricost |
| In the container | 970g L-glutamine | 1000g L-glutamine |
| Servings of 5 g | 194 | 200 |
| Serving on the label | 5 g | 5 g |
| Form | Powder | Powder |
| Third-party testing | Not listed | Not listed |
| Price checked | Every day | Every day |
Tested means the product is in the testing program's own database (NSF, USP, Informed Sport or Choice, IFOS). Not listed means we didn't find it there, not that it failed a test.
The verdict
Nutricost costs 50% less per 5 g than Optimum Nutrition: $0.17 vs $0.33. At one serving a day that is $60.23 a year instead of $121.18, $60.95 less.
We didn't find either one in a third-party testing program's database (NSF, USP, Informed Sport or Choice, IFOS). That doesn't mean either one failed a test.
We compare price on the same dose. Taste, mixing, other ingredients and how a product suits you are yours to judge, so read both labels before you switch.
The cheapest glutamine today
Best value. Lowest price per serving on this list.
Nutricost L-Glutamine Powder · Unflavored · 1 KGChecked less than an hour ago
$0.17 per 5 g50% less than Optimum Nutrition per 5 g
BuySave me money at Nutricost (opens in a new tab)- PureBulk L-Glutamine · 1.5 kilograms
Checked less than an hour ago
$0.22 per 5 g35% less than Optimum Nutrition per 5 g
BuySave me money at PureBulk (opens in a new tab) - NOW Foods L-Glutamine Powder, by NOW Foods · 2.2 Lbs
Checked less than an hour ago
$0.27 per 5 g20% less than Optimum Nutrition per 5 g
BuySave me money at NHC (opens in a new tab)
Cheaper alternatives to Optimum Nutrition glutamineSee the full glutamine list
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Questions
Is Nutricost cheaper than Optimum Nutrition?
Nutricost costs 50% less per 5 g than Optimum Nutrition: $0.17 vs $0.33. Both prices are checked every day, and this page changes when they do.
Are Optimum Nutrition and Nutricost the same glutamine?
Both are on our l-glutamine list: Optimum Nutrition as powder, Nutricost as powder. We compare the labeled amount of the active ingredient, priced per 5 g, not taste, other ingredients or quality. Prices shown per 5 g of L-glutamine, not the scoop or capsule count. That is a unit for comparing prices, not a recommendation of what to take.
Is Optimum Nutrition or Nutricost third-party tested?
We didn't find either one in a third-party testing program's database (NSF, USP, Informed Sport or Choice, IFOS). That doesn't mean either one failed a test.
How is the price per 5 g worked out?
We divide the container price by how many 5 g servings the label's amount makes. Optimum Nutrition: $64.49 ÷ 194 servings of 5 g. Nutricost: $32.97 ÷ 200 servings of 5 g. Store prices can change at checkout.
We show prices. We don't sell the products or tell you what to take. How we compare · Disclaimer


