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While most people are not deficient in B vitamins (since these vitamins can be easily obtained from foods), older people and those taking medication to reduce stomach acid may be low in B-12 and taking it can help slow age-related decline in memory

Symptoms of low levels of Vitamin B12 in your body include anemia, weakness, fatigue, heart palpitations, pale skin, constipation, diarrhea, bloating, loos of appetite, nerve problems such as tingling or numbness, muscle weakness, loss of vision, mental problems such as changes in mood and depression

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What affects whether you notice anything at all: Whether you had a true nutrient deficiency to correct (especially for B12-related fatigue) Your calorie intake, protein, and consistency Sleep, stress, and movement Whether youre also using evidence-based tools (like FDA-indicated GLP-1 options when appropriate) Medical disclaimer This article is for education only and is not medical advice

After 10 years, you may see some changes in your face that would require some work like wrinkles and sagging skin

These changes are normal and expected during periods of high nutrient intake