Posted by thesvetlana on Aug 23, 2011 | Verified Purchase
Would be a good product if the manufacturer would eliminate the "flowing agent" Magnesium Stearate from its ingredient list. It's essentially chalk, and previous research has shown that it suppresses your natural killer cells, which are a key component of your immune system. It adds up over time.
Posted by iHerb Customer on Feb 26, 2012 | Verified Purchase
I got plain Sisu Zinc Citrate and it's already helping. This one made me feel strange and headachy. It seems my body doesn't like anything that is Chelated. Same thing happened to me when I took Bluebonnet Magnesium that is chelated. I know chelated is supposed to be best, just not working for me.
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