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Rather than following a generic one-size-fits-all approach, magnesium bisglycinate and glutathione supplementation dosage and timing for athletes should be phased according to the metabolic demands of the competitive calendar
Avoid repeated freeze-thaw cycles, which reduce recovery of the 43-residue thymosin beta 4 chain in particular, label every aliquot with the reconstitution date, and handle throughout under sterile laboratory conditions
This is especially true if you have one or more MTHFR mutations
A meta-analysis of studies using NAC to increase athletic performance found that there were more side effects (none severe) at 20g/day.[ref] High doses of NAC are used in hospitals by IV for reversing acetaminophen toxicity
Vitamin B12 injections are also gaining in popularity and availability
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