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Possible Side Effects Side effects are rare when administered correctly but may include: Mild redness Temporary discomfort Slight nausea (rare) Allergic reactions (extremely rare) These typically resolve quickly under expert care
doi:10.1016/j.freeradbiomed.2016.02.028
Some compounded formulations include additional ingredients beyond B12 and glycine
Additionally, amino acid injections can support various biological processes, improving immune function and overall well-being
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