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Vitamin B12 is primarily found in animal-based foods, including beef, salmon, yogurt, and milk, though some plant-based foods, like nutritional yeast, are fortified with it
However, the absence of large-scale human safety data means that a comprehensive adverse effect profile has not been fully established
Green tea catechins decrease oxidative stress in surgical menopause-induced overactive bladder in a rat model
Less active tyrosinase means less dark pigmentation
Understanding the regulatory landscape helps clarify what's legal, what's not, and why sourcing matters
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