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Synthetic Cyanocobalamin for Reliable Supplementation The active ingredient, cyanocobalamin, is a laboratory-produced form of vitamin B12 that works in the body the same way as naturally occurring vitamin B12 found in fish, seafood, dairy products, and egg yolk
It's frustrating, and it's avoidable
They've been taking them months and months, or maybe even years
It means it didn't work well enough as a standalone pharmaceutical drug
Research has shown that methylcobalamin significantly improves visual accommodation, while cyanocobalamin appears to be ineffective
2025 Mar 07;30(6):1190
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