L-Arginine Pyroglutamate
L-Arginine Pyroglutamate is a unrated form of L-Arginine, used in 83 on-market products and providing 57.4% elemental l-arginine by weight.
83
on-market products
unrated
quality tier
57.4%
elemental fraction
Basis: C6H14N4O2 x C5H7NO3, 1:1 (arginine 174.20 / 303.32); ratio assumed
Why this tier: No head-to-head human bioavailability or efficacy comparison of this form was located in PubMed searches.
Trend
Brands using this form
| Brand | Products |
|---|---|
| MuscleTech | 13 |
| Source Naturals | 8 |
| Anabolic Warfare | 6 |
| Higher Nature | 5 |
| MuscleTech Pro Series | 5 |
| ALLMAX NUTRITION | 4 |
| BSN | 4 |
| BulkSupplements.com | 4 |
| NutraBio | 4 |
| MRI | 2 |
| Nugenix | 2 |
| Reliv | 2 |
| AOR Advanced Orthomolecular Research Ultra | 1 |
| Beverly International | 1 |
| Blue Star Nutraceuticals | 1 |
| Botanic Choice | 1 |
| Cellucor | 1 |
| Champion Nutrition | 1 |
| Evogen | 1 |
| GPS Genesis Pure Sports | 1 |
| Hi-Tech Pharmaceuticals | 1 |
| Indiana Botanic Gardens | 1 |
| Joy Organics | 1 |
| Lumiday | 1 |
| Magnum | 1 |