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This claim lacks supporting evidence

Here is where cagrilintide and retatrutide diverge significantly

Hair-Loss Prevention: The serum is designed to prevent hair loss by strengthening hair roots and reducing breakage, promoting healthier hair growth

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While vitamin B12 deficiency can lead to the underdevelopment of the brain in early life, it can also lead to severe symptoms in adulthood, ranging from dementia, memory loss and cognitive/intellectual decline

A proposed signaling pathway or model-specific mechanism is a research hypothesis or experimental observation and does not independently establish a clinical result