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A double-blind, placebo-controlled trial in 95 patients with irritable bowel syndrome or inflammatory bowel disease and normal B12 levels found no significant improvements in fatigue, although B12 levels increased in the B12 group who received 1000 g per day per os (p.o.) for 8 weeks (form not reported)
GHK-Cu is still available in topical skincare products
Frequently Asked Questions Are vitamin B12 injections more effective than oral supplements
These likely result from both peptides effects on angiogenesis, endothelial protection, and inflammation reduction
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