Now Sports Nutrition, L-Glutamine Powder, 35.2 Ounce (Pack of 1) vs Nutricost L-Glutamine Powder 1 KG - Unflavored, Non-GMO, Gluten Free

We couldn't find enough data on either option to be able to come to any reliable conclusions. We strongly suggest that you look at some alternatives that also cost around $18.

No sources that do their own in-depth testing have considered the Now Sports Nutrition, L-Glutamine Powder, 35.2 Ounce (Pack of 1) to be a good enough purchase for it to earn a spot in their L-glutamine Supplement roundups, which is typically a bad sign.

Moving on to the Nutricost L-Glutamine Powder 1 KG - Unflavored, Non-GMO, Gluten Free: no sources that perform reliable and objective hands-on testing have included it in their L-glutamine Supplement roundups, which usually means that a product doesn't make for a good purchase.

As a last step, we wanted to do a head-to-head Now Sports Nutrition, L-Glutamine Powder, 35.2 Ounce (Pack of 1) vs. Nutricost L-Glutamine Powder 1 KG - Unflavored, Non-GMO, Gluten Free comparison of their review performance but, unfortunately, weren't able to find any review ratings on either product.