长寿证据薄弱

Nicotinamide riboside

别名: NR, NAD+ precursor, a form of vitamin B3

Nicotinamide riboside is a form of vitamin B3 that the body turns into the coenzyme NAD+, important for energy production and DNA repair. NAD+ levels decline with age, which is why NR is studied as a supplement for healthy ageing.

用途

Raising blood NAD+ levels – moderate evidence
Improving health, energy or ageing in humans – weak evidence, results so far are modest

剂型及区别

nicotinamide riboside chloride

the form authorised in the EU as a novel food

NMN (nicotinamide mononucleotide)

a related NAD+ precursor with similarly limited evidence

NR + Q10 and other combinations

quality depends on the label

何时服用

In the morning, with or without food.

适合搭配

Exercise, sleep and a protein-sufficient diet – these also raise NAD+.

不宜同服 / 需错开

Do not combine with other high doses of vitamin B3 (niacin, nicotinamide).

注意事项

Not suitable in pregnancy or while breastfeeding (insufficient data). With liver or kidney disease, cancer and when taking medicines, consult your doctor.

安全性

EFSA considers up to 300 mg a day safe for adults; do not exceed the label dose.

实用建议

It is an expensive supplement with uncertain benefit – exercise and sleep remain the foundation.

含 Nicotinamide riboside 的产品 4

NADH / NAD+ + Nicotinamide riboside 750 mgnicotinamide riboside blend · 750 mg / 粒精力长寿大脑与记忆血糖与代谢

Nicotinamide riboside + CoQ10+ CoQ10长寿精力血糖与代谢

Nicotinamide riboside 100 mgNR chloride · 100 mg / 粒长寿精力血糖与代谢

Nicotinamide riboside 300 mgNR chloride · 300 mg / 粒长寿精力血糖与代谢

如何理解证据评级

证据充分证据中等证据薄弱无证据

充分 = 多项高质量人体研究或官方推荐；中等 = 有前景但研究规模较小；薄弱 = 研究少或结果不一；无证据 = 说法未被证实。

搭配检查

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检查 Nicotinamide riboside 与其他的搭配

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用途