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Symptoms of vitamin B12 and folate deficiency anaemia include: rapid breathing or shortness of breath headaches indigestion loss of appetite palpitations problems with your vision feeling weak or tired diarrhoea a sore or red tongue, sometimes with mouth ulcers problems with memory, understanding and judgment (cognitive changes) Some of these symptoms can also happen in people who have a vitamin B12 or folate deficiency but have not developed anaemia

Summary: Copper peptides, particularly GHK-Cu, are topical ingredients proposed to support hair growth by stimulating follicle activity and improving scalp vascularity, though they are not MHRA-licensed for hair loss and the clinical evidence remains limited

Vitamin B12 is essential for energy production, healthy nerve function, and the formation of red blood cells

Phase II clinical trials showed that participants using retatrutide lost 17.5% of their weight after 24 weeks and 24.2% after 48 weeks