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Separate them by 12 hours or use on alternate days
Amazing results which continue to be noticeable and are far above my expectations
I've no idea if methylcobalamin might provoke a reaction
Moreover, some NAD + precursors have shown side effects, such as the use of NA at certain doses that might be limited due to skin flushing or induction of insulin resistance 332,333
10.1186/s13011-015-0006-5 49 Shankara-NarayanaN.YuC.SavkovicS.DesaiR.FennellC.TurnerL.et al (2020)
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