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10.1038/s41392-022-00917-z 109 VenketasubramanianN.AgustinS

[6] Beyond its role in protein turnover, lysine chelates calcium ions and up-regulates intestinal and renal calcium absorption, explaining investigational findings that parenteral lysine may enhance bone mineral accrual and modulate parathyroid hormone dynamics in states of low dietary calcium or post-menopausal osteopenia

A deficiency in Vitamin B12 can cause fatigue and sluggishness, so supplementing with B12 can help increase energy and combat tiredness, which is particularly useful for those on calorie-restricted diets

Well then, let's keep this relatively brief