Pure Encapsulations L-Glutamine Powder | Supplement for Immune and Digestive Support, Gut Health and Lining Repair, Metabolism Boost, and Muscle Support* | 8 Ounces vs Now Sports Nutrition, L-Glutamine Powder, 35.2 Ounce (Pack of 1)

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 Pure Encapsulations L-Glutamine Powder | Supplement for Immune and Digestive Support, Gut Health and Lining Repair, Metabolism Boost, and Muscle Support* | 8 Ounces to be a good enough purchase for it to earn a spot in their L-glutamine Supplement roundups, which is typically a bad sign.

As for the Now Sports Nutrition, L-Glutamine Powder, 35.2 Ounce (Pack of 1) - it wasn't considered to be a good enough purchase to earn a spot in any roundups conducted by sources that perform objective hands-on testing, which typically indicates that a product isn't worth its asking price.

As a last step, we wanted to do a head-to-head Pure Encapsulations L-Glutamine Powder | Supplement for Immune and Digestive Support, Gut Health and Lining Repair, Metabolism Boost, and Muscle Support* | 8 Ounces vs. Now Sports Nutrition, L-Glutamine Powder, 35.2 Ounce (Pack of 1) comparison of their review performance but, unfortunately, weren't able to find any review ratings on either product.