Vitamin B12 for hair, skin, and nails If you have a very low level of B12, you may be prone to hyperpigmentation (dark spots) on your skin, vitiligo (light patches on your skin), mouth ulcers, eczema, and acne
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(Endocrinology, 2010), demonstrated a strong species-dependent effect: In rodents: High GLP-1 receptor expression in thyroid C-cells Strong cAMP signaling activation Persistent stimulation leads to tumor formation In humans and primates: Minimal or absent functional GLP-1 receptor expression in C-cells No meaningful calcitonin elevation under therapeutic exposure No observed C-cell proliferation in long-term studies Even exposure levels far exceeding clinical doses failed to reproduce rodent-like thyroid effects in primate models
It is not for human consumption, injection, or oral use
When you combine that with the slowed gastric emptying caused by GLP 1s, meals that contain enough protein tend to feel gentler on the stomach compared with meals that are mostly simple carbs