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Sgent

(5,857 posts)
12. I buy anything
Wed Apr 3, 2013, 09:59 PM
Apr 2013

with a USP label on it (US Pharmacopia). Nature Made and Kirkland (Costco) are the largest manufacturer.

The US Pharmacopia label means that an outside testing agency (the same one that tests drugs) has evaluated the manufacturing process, tested the end result for concentration, amount and bio-availability.

I use Vitamin D due to D levels that were near rickets, and Fish Oil.

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