magnesium
49 certified brands.
Ranked by number of independent third-party certifications (Labdoor letter grade breaks ties). This reflects how thoroughly each brand is independently verified — not product quality, efficacy, or price, and not an endorsement.
| Rank | Brand | Certifications | Indep. bodies | Products | Shop |
|---|---|---|---|---|---|
| #1 Most independently tested | Anza Nutraceuticals | NSF_DIETARY NSF_SPORT | 2 | 1 | Shop:AmazoniHerb |
| #1 Most independently tested | Aurora Nutrascience | NSF_DIETARY NSF_SPORT | 2 | 2 | Shop:AmazoniHerb |
| #1 Most independently tested | BulkSupplements.com | NSF_DIETARY NSF_SPORT | 2 | 1 | Shop:AmazoniHerb |
| #1 Most independently tested | Codeage | NSF_DIETARY NSF_SPORT | 2 | 4 | Shop:AmazoniHerb |
| #1 Most independently tested | Core Med Science | NSF_DIETARY NSF_SPORT | 2 | 1 | Shop:AmazoniHerb |
| #1 Most independently tested | Designs for Health | NSF_DIETARY NSF_SPORT | 2 | 2 | Shop:AmazoniHerb |
| #1 Most independently tested | Momentous | NSF_DIETARY NSF_SPORT | 2 | 2 | Shop:AmazoniHerb |
| #1 Most independently tested | Nestlé Health Science | NSF_DIETARY NSF_SPORT | 2 | 1 | Shop:AmazoniHerb |
| #1 Most independently tested | New Capstone, Inc. | NSF_DIETARY NSF_SPORT | 2 | 1 | Shop:AmazoniHerb |
| #1 Most independently tested | NextFoods | NSF_DIETARY NSF_SPORT | 2 | 1 | Shop:AmazoniHerb |
| #1 Most independently tested | Thorne | NSF_DIETARY NSF_SPORT | 2 | 7 | Shop:AmazoniHerb |
| #12 | Access Business Group, LLC | NSF_DIETARY | 1 | 1 | Shop:AmazoniHerb |
| #12 | American Health Formulations, Inc | NSF_DIETARY | 1 | 1 | Shop:AmazoniHerb |
| #12 | Applied Nutrition | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | BetterYou | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Centenarian Road | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Crown Sport Nutrition | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Daemon Power | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Double Wood LLC | NSF_DIETARY | 1 | 2 | Shop:AmazoniHerb |
| #12 | Etixx | INFORMED | 1 | 4 | Shop:AmazoniHerb |
| #12 | Farmacias de Similares TX LLC | NSF_DIETARY | 1 | 1 | Shop:AmazoniHerb |
| #12 | Fourfive | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Garden of Life | NSF_DIETARY | 1 | 5 | Shop:AmazoniHerb |
| #12 | Heali | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Healthspan Elite | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Heights | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | International Vitamin Corporation | NSF_DIETARY | 1 | 5 | Shop:AmazoniHerb |
| #12 | Jiabei Health Technology Co., Ltd | NSF_DIETARY | 1 | 1 | Shop:AmazoniHerb |
| #12 | LTF Club Operations Company, Inc. | NSF_DIETARY | 1 | 4 | Shop:AmazoniHerb |
| #12 | MOM Enterprises, Inc. | NSF_DIETARY | 1 | 1 | Shop:AmazoniHerb |
| #12 | Magceutics LLC | NSF_DIETARY | 1 | 1 | Shop:AmazoniHerb |
| #12 | NAMEDSPORT> | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Nature Made | USP | 1 | 1 | Shop:AmazoniHerb |
| #12 | Nature's Truth | NSF_DIETARY | 1 | 2 | Shop:AmazoniHerb |
| #12 | OLLY, Public Benefit Corporation | NSF_DIETARY | 1 | 1 | Shop:AmazoniHerb |
| #12 | One Sol | BSCG | 1 | 1 | Shop:AmazoniHerb |
| #12 | Organixx | NSF_DIETARY | 1 | 1 | Shop:AmazoniHerb |
| #12 | PILLAR Performance | INFORMED | 1 | 2 | Shop:AmazoniHerb |
| #12 | Powerbar | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Precision Engineered by Holland & Barrett | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Puresport | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Raw Sport | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Revive | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Ritual | NSF_DIETARY | 1 | 1 | Shop:AmazoniHerb |
| #12 | SHIFT | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Target Corporation | NSF_DIETARY | 1 | 5 | Shop:AmazoniHerb |
| #12 | Ten Percent Club | INFORMED | 1 | 1 | Shop:AmazoniHerb |
| #12 | Theralogix, LLC | NSF_DIETARY | 1 | 1 | Shop:AmazoniHerb |
| #12 | Vitalitown, Inc | NSF_DIETARY | 1 | 1 | Shop:AmazoniHerb |
Best magnesium for: Sleep · Heart Health