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Is L-Leucine Safe?

selenium leucine lef zinc supplement mineral

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#1 Eternalist

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Posted 08 July 2013 - 01:45 PM

Hi, I'm new to supplements and I need some advice about l-leucine LEF's supplements.

I'm considering buying LEF's Super Selenium Complex and OptiZinc, because my doctor recommended me to supplement selenium and zinc. What I want to ask is, does anyone know if l-leucine in supplements is safe? I found it's not allowed to use as an additive in EU and can be genetically modified? Thanks.

Also tagged with one or more of these keywords: selenium, leucine, lef, zinc, supplement, mineral

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