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Ascorbic acid at low pH reduces Cu2+ to Cu1+, which disrupts the copper-tripeptide coordination complex and can generate free radicals via Fenton-like chemistry
Despite that risk, there are still easy ways to extend the shelf life of your B12 injections and keep them in good condition long after their expiration date
Let A denote the daily average input of a particular amino acid
Never leave them at room temperature
Dermoscopy, a method that uses a special magnifying lens to check skin lesions, can further enhance the accuracy of diagnosis by 20%
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