100%
Thorne Vitamin D Liquid Supplement
by Thorne Research— Made in Summerville, SC
Verified American Made
American Score
83% — High
Why not 100%? Full verification requires additional independent sources
Manufactured in Summerville, SC
Manufacturing in USA since 1984Verified through 3 independent sources
- Known factory location
- Brand website
- Product listing
Evidence Breakdown
Factory: City-level verified
Website claim: Yes
History: Established
Overseas lines: None known
Liquid Vitamin D supplement delivering 1000 IU per two drops, 600 servings. Supports cardiovascular health, immune function, and bone health. Made in the USA at Thorne's South Carolina facility.
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Thorne Vitamin D Liquid Supplement
83% American Score