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Optimal B12 levels can enhance mood, boost energy, and improve concentration, so its worth exploring if you fit into any of the following categories

Use only at night

In addition to its role in energy production via the TCA cycle, -KG plays a central role in amino acid synthesis, redox balance, and the regulation of cell signaling

Epithalon supplied for research applications is typically manufactured to high purity standards and is characterized as an LPS-free peptide , endotoxin-free peptide , and research peptide endotoxin tested to ensure suitability for sensitive laboratory assays, cellular studies, and biochemical analysis

The non-toxicity of Vitamin B12 is confirmed by the US National Institute of Health Office of Dietary Supplements which states that the US Institute of Medicine has not established any upper limit for B12 because of its low toxicity

Pros: Strong rationale for deficiency correction