Best vitamin d for Pregnancy
Certified supplement types people often look for during pregnancy. Talk to a clinician before starting anything.
54 third-party-certified brands listed below — certification status is factual; this is not medical or efficacy advice.
Grouped into tiers by the number of independent third-party certifications each brand holds (more bodies = higher tier). Within a tier, brands are ordered by how many of their products are certified, then by how recently each was verified, then Labdoor letter grade breaks remaining ties. This reflects only how thoroughly each brand is independently verified — not product quality, efficacy, or price, and not an endorsement.
Verified by 2 independent bodies
Most independently tested| Brand | Certifications | Products | Verified | Shop |
|---|---|---|---|---|
| Core Med Science | NSF_DIETARY NSF_SPORT | 6 | — | Shop:AmazoniHerbFullscript |
| Aurora Nutrascience | NSF_DIETARY NSF_SPORT | 3 | — | Shop:AmazoniHerbFullscript |
| Designs for Health | NSF_DIETARY NSF_SPORT | 2 | — | Shop:AmazoniHerbFullscript |
| LTF Club Operations Company, Inc. | NSF_DIETARY NSF_SPORT | 2 | — | Shop:AmazoniHerbFullscript |
| Momentous | NSF_DIETARY NSF_SPORT | 2 | — | Shop:AmazoniHerbFullscript |
| Nordic Naturals | NSF_DIETARY NSF_SPORT | 2 | — | Shop:AmazoniHerbFullscript |
| AG1 | NSF_DIETARY NSF_SPORT | 1 | — | Shop:AmazoniHerbFullscript |
| Natura Health Products | NSF_DIETARY NSF_SPORT | 1 | — | Shop:AmazoniHerbFullscript |
| Vinatura | NSF_DIETARY NSF_SPORT | 1 | — | Shop:AmazoniHerbFullscript |
| dotFIT | NSF_DIETARY NSF_SPORT | 1 | — | Shop:AmazoniHerbFullscript |
Verified by 1 independent body
See all certified vitamin d brands .