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8 个水溶性辅酶网络 · 不提供能量 · 让能量通路能转起来

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Vitamin B12
Folate
Thiamin
Riboflavin
Niacin
Vitamin B6
+4 on the map

Vitamin DThe sunshine, hormone-like vitamin
Vitamin AVision, barriers, and gene regulation
Vitamin EThe quiet lipid-membrane antioxidant

Coenzymes, not fuel

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辅酶而非燃料

B vitamins are often called 'energy vitamins', but they do not provide energy. They're more like detachable tool heads for enzymes: without them, the metabolic pathways for carbohydrates, fats, and amino acids can't run.

The 8 members (B1 · B2 · B3 · B5 · B6 · B7 · B9 · B12) + choline (semi-member):

Vitamin	Active form	Core function
B1	TPP	sugar → mitochondria (PDC)
B2	FAD/FMN	electron carrier
B3	NAD/NADP	redox double-account
B5	CoA	acyl carrier
B6	PLP	amino acid intersection
B7	Biotin	carboxylation (adds CO₂)
B9	THF/5-MTHF	one-carbon carrier
B12	MeCbl/AdoCbl	methylation + MUT

Most B vitamins are water-soluble with little storage, but that doesn't mean massive supplementation is required — as long as total energy is adequate and the diet is diverse, deficiency is uncommon.

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本站提供科普与一般性建议，不替代医师诊断或处方；有症状或正在服药请咨询合格医师。 Educational content, not medical advice — consult a clinician for diagnosis or treatment.

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