We always recommend talking to your provider before starting a new supplement. Our registered dietitians and online wellness advisor are also ready to help you find the right support.

Evidence Based
Premium Ingredients
Transparently Labeled
NSF Certified
Provider Referred
Customer Preferred
Featured Products
Ovasitol® Inositol Powder Supplement
from $86.68
- Unit price
- /per
TheraCran® Max Cranberry & D-Mannose Supplement
$133.74
- Unit price
- /per
TreBiome™ Pre, Pro, & Postbiotic Supplement
$118.89
- Unit price
- /per
TheraNatal OvaVite® Preconception Supplement
$145.88
- Unit price
- /per
Science evolves. So do we. We refine what works and innovate what's next.
20+
Years of Research
Since 2002, we've been developing supplements guided by published research.
15+
Clinical Trials
Our products have been used in real clinical trials — including research funded by the NIH.
2M+
Provider Referrals
Recommended by thousands of healthcare providers —resulting in over 2 miilion referrals and counting.

Trusted by leading institutions and universities
Exceptional Ingredients, Without Exception
We use premium ingredients only: the exact forms and doses studied in published clinical research. But exceptional ingredients alone aren’t enough.
Supplement testing isn’t required. We do it anyway, to make sure you’re getting the pure ingredients your body needs. Our products carry NSF certification, the gold standard in supplement testing, and we keep testing to guarantee consistency, batch after batch.
Premium Ingredients
No Proprietary Blends
NSF Certified
Evidence Based
Gluten Free
No Artificial Dyes
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Some people don’t like labels. We swear by them.
Voted Overall Best Prenatal Vitamin
Best Men's Multi for Immune Health
Best Prenatal Vitamin
Best Bone Health Supplement
Thousands of Verified 5-Star Reviews
Trusted by Providers and Loved by Customers

I've been using this product for several years and I can't imagine going back to my life before Ovasitol.
Mary

I’ve been taking Theralogix supplements for years and have a lot of trust in their formulations
Aaron W.

Love the brand and the quality!!
Denise G.

I have it set to ship automatically, so I don't even have to think about it.
Marilyn B.
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