| production | Moderate; excess can be harmful | |
| Alpha-lipoic acid | Potent antioxidant | Good evidence mostly in diabetic neuropathy |
| Vitamin D | Supports nerve and immune health | Associated with nerve health benefits |
Combination therapy — especially B vitamins taken together — often performs better than individual nutrients alone.
How to Incorporate Vitamin B12 Safely
Dietary Sources
Rich B12 foods include:
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Lean meats
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Fish and seafood
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Eggs and dairy
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Fortified cereals
Vegetarians and vegans are at higher risk of deficiency due to the lack of animal sources.
Supplements
Doctors may recommend:
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Sublingual B12 for better absorption
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Injectable
