Category · Vitamin
Vitamin supplements — D, B-complex, multi
80% of Japanese men are vitamin D deficient (Holick 2011). B-vitamins burn faster under stress and exercise. Multi as insurance, not magic.
3 supplements
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Multivitamin
Insurance against gaps in vitamins and minerals that diet alone often misses. Especially valuable during caloric restriction (cutting).
Vitamin
Vitamin D3
Essential for bone, immunity, and testosterone synthesis. Most Japanese adults run low due to indoor life and sunscreen; dosing ideally follows a blood test.
Vitamin
Vitamin B Complex
B-vitamins support energy metabolism, fatigue recovery, and nerve function. Gaps widen during cutting and high-stress periods.