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How AHK-Cu Works Delivers Copper AHK chelates Cu(II) and shuttles it into cells - copper is the catalytic centre for the regenerative effects

In other words, it is the most readily absorbed form of the vitamin and it remains in the body for a longer period of time and at higher levels than cyanocobalamin, which means that your body is supplied with vitamin B12 longer
Vitamin D has several important functions

This new study examined 536 subjects, so it wasn't huge, but not small either

[21] Pseudovitamins and antivitamins [edit] Pseudovitamin B 12 refers to compounds that are corrinoids with a structure similar to the vitamin, but without vitamin activity

NAD+ for fueling yourself at the cellular level NAD+ therapy helps support cellular energy, mental clarity, and healthy aging from the inside out
