8 doctors weighed in:

Which best D3 supplement brand you use or do recommend to your patients. ?

8 doctors weighed in
Dr. Visalakshi Vallury
Family Medicine
7 doctors agree

In brief: USP certified

Any OTC supplement that is USP certified will be acceptable.
The USP is an independent organization which certifies identification, strength, purity, and quality of supplements. The organization verifies that Good Manufacturing Practices are followed.

In brief: USP certified

Any OTC supplement that is USP certified will be acceptable.
The USP is an independent organization which certifies identification, strength, purity, and quality of supplements. The organization verifies that Good Manufacturing Practices are followed.
Dr. Visalakshi Vallury
Dr. Visalakshi Vallury
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