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Yes, some users report noticeable changes within the first week
While anyone can have low B12, some groups are especially at risk: Vegans and vegetarians: Plant-based diets often lack enough B12 since it's mainly in animal products
While both address sun damage, aging, and uneven pigmentation, they work at different depths and target distinct concerns, making each uniquely beneficial depending on your needs
Most researchers start at 250 mcg once daily, confirm mcg-per-ml concentration before every draw, and cycle 6-8 weeks on with 4-6 weeks off between rounds for full recovery
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