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Its role complements GHK-Cu: TB-4 helps position the repair cells, while GHK-Cu handles more of the matrix-building work
Follow-up labs help show whether the injection schedule is working
Some patients report it as a less painful alternative because the needle that goes into the fatty tissue just below the skin is thinner and shorter, usually one-half to five-eighths of an inch long
Certain medications can interfere with B12 levels too
Vitamin B12 may also be called cyanocobalamin or cobalamin
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