The Best L-Glutamine Supplements
We compared six L-Glutamine supplements based on owner ratings, price, and specs. Nutricost L-Glutamine Powder (B00SHXE7VK) is our top pick for its high dosage and positive user feedback.
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The bottom line
Nutricost L-Glutamine Powder (B00SHXE7VK) is our top pick for its high dosage of 5000mg per serving, 100 servings per bottle, and positive user feedback on taste and effectiveness. The closest alternative is Nutricost L-Glutamine Powder (B01MFDA8ZH), which provides 50 servings at a lower price but has fewer owner ratings. NOW Supplements L-Glutamine 500 mg (B000QVCAKQ) is the budget pick, offering a lower dosage per serving but a significantly lower price.
Nutricost L-Glutamine Powder $19.51
Best overall L-Glutamine supplement
Nutricost L-Glutamine Powder (B00SHXE7VK) has a high dosage of 5000mg per serving and 100 servings per bottle for $19.51. Owners rate it 9.2/10 from 17999 ratings, praising its taste and effectiveness. The tradeoff is a higher price compared to alternatives with fewer servings.
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Nutricost L-Glutamine Powder $14.35
Best value L-Glutamine supplement
Nutricost L-Glutamine Powder (B01MFDA8ZH) provides 50 servings for $14.35, with owners rating it 9.2/10 from 18023 ratings. It is unflavored and easy to mix, making it a cost-effective alternative to the top pick. The tradeoff is fewer servings per bottle.
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NOW Supplements L-Glutamine 500 mg $9.64
Best budget L-Glutamine supplement
NOW Supplements L-Glutamine 500 mg (B000QVCAKQ) has a lower dosage per serving but is significantly cheaper at $9.64. Owners rate it 9/10 from 13259 ratings, praising its support for immune function. The tradeoff is a lower dosage per serving compared to the top picks.
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- Nutricost L-Glutamine Powder Best for high dosage and positive user feedback 10.0/10 $19.51 Amazon
- Nutricost L-Glutamine Powder Best value for fewer servings 9.0/10 $14.35 Amazon
- NOW Supplements L-Glutamine 500 mg Best budget option with lower dosage 8.0/10 $9.64 Amazon
- Nutricost L-Glutamine Powder Good for high dosage but with some taste complaints 7.0/10 $24.95 Amazon
- Nutricost L-Glutamine Powder Good for flavored option but fewer servings 6.0/10 $22.45 Amazon
- Nutricost L-Glutamine Powder Flavored option with fewer owner ratings 5.0/10 $24.95 Amazon
What to consider
When choosing an L-Glutamine supplement, consider the dosage per serving, the number of servings per bottle, and the price. Higher dosages and more servings per bottle offer better value, but at a higher cost. Owner ratings can also provide insight into the effectiveness and satisfaction with the product.
Also-rans
Nutricost L-Glutamine Powder (B0GGWJ3174) and (B01MCSVVS0) are also good options but have some taste complaints and fewer servings per bottle, respectively. Nutricost L-Glutamine Powder (B01M63BX6N) has fewer owner ratings and a flavored option, which may not be preferred by all users.