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Mineral supplements require specific considerations

After about four weeks, you can no longer be confident that the preservative is working at full strength

At minimum, check for: A batch number that corresponds to the product The testing date The laboratorys name The amount tested An HPLC purity result Identity testing Sterility or endotoxin results when required A dated, batch-specific report is more useful than an undated example COA or a general company claim

Kimji is a board-certified physician and fellow of the Royal College of Physicians and Surgeons of Canada (FRCPC)

At this concentration, 250mcg = 10 units on a U-100 syringe