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If you want to know what cause B12 side effects, keep reading
The copper-ascorbic acid reaction is not merely about pH but involves direct electron transfer that degrades both ingredients
Reseal vials promptly after each withdrawal to reduce moisture exposure
This research-grade compound is supplied as a lyophilised (freeze-dried) powder , designed to ensure stability, precision, and reproducibility in controlled scientific environments
doi: 10.1186/s12865-017-0189-9 87 ZhouGSunXQinQLvJCaiYWangMet al
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