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However, like other supplements, upset stomach, headaches, pain at the site of injection, reddening, swelling, and other discomfort at the point of injection are all possible, but not common

The BNF and product information advise monitoring potassium levels in patients with severe deficiency during initial treatment

While some people notice no change at all, others may see new or worsening breakouts

The extended half-life means timing matters less than with shorter-acting peptides

Testosterone decreases 1%-2% per year

A single B12 injection raises blood levels for 2 to 4 weeks, with noticeable energy and mood effects lasting 1 to 3 weeks