Should you take vitamin B3 supplements?
For many people, food sources are enough. Over-the-counter niacin supplements do exist, and some people use higher doses specifically for cholesterol or circulation support – but that’s where you need to be careful.
High-dose niacin can cause side effects such as intense flushing, itching, digestive upset and, in some cases, more serious liver issues.
That’s why it’s important to:
– Talk to your doctor before starting high-dose niacin, especially if you already take medication for cholesterol or heart issues.
– Avoid self-medicating with large doses just because you’ve heard it “helps blood flow”.
– Use supplements as part of a broader plan that includes diet, movement and medical advice – not as a standalone fix.
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