Vitamins that can improve sleep: vitamin D, B6, B12, B3 and B1 — benefits, recommended dosages, risks, and product selection tips.

Specific probiotic strains can modestly lower HbA1c and improve insulin resistance by boosting SCFAs, strengthening the gut barrier, and affecting GLP-1.

Explains how Rhodiola balances cortisol, boosts key neurotransmitters, activates cellular defenses, and reduces fatigue, plus dosing, safety, and quality tips.

Clear guidance on vitamins B12, D, K2 and A for people with dietary restrictions—benefits, dosing, safety, and product selection.

Get RDAs by age and gender, supplement upper limits (350 mg/day), food sources, risks, and practical tips for safe magnesium dosing.