Điều nên tránh khi dùng vitamin B3
Vitamin B3 hay còn gọi là vitamin PP, hoạt chất là acid nicotinic (niacin) hoặc nicotinamide (dạng amide của acid nicotinic). Đây là loại vitamin không được dự trữ và rất ít khi được tạo ra bởi quá trình tổng hợp...
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