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Documentation red flags include Certificates of Analysis from unknown or unverifiable testing laboratories, HPLC purity results without corresponding endotoxin or sterility testing, and testing performed by the seller rather than an independent third-party laboratory
Their randomized, double-blind, placebo-controlled trial involved 75 resistance-trained males divided into three groups: placebo , L-citrulline malate , or L-citrulline (2g) + glutathione (200mg)
While oral B12 supplements are available, vitamin B12 injections have advantages including enhanced absorption since it bypasses digestion, a fast-acting energy boost from quick absorption, higher blood levels reached versus pills, lasting benefits between maintenance doses, improved concentration and mental clarity, and often more affordable and convenient long-term
Michael Chichak, MD, medical director of MEDvidi, agrees
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