THE MEDS I TAKE AND WHY
PAGE 28
NIACIN
Niacin (Vitamin 𝐵3) is crucial for metabolism, skin, and nervous system health, with high-dose supplements historically used to improve cholesterol by lowering LDL/triglycerides and raising HDL. However, high doses (often used for treatment) carry significant risks, including skin flushing, liver strain, increased blood sugar, and potential increased cardiovascular risks due to inflammation.
Pros (Benefits) of Niacin:
Essential Nutrient:
Niacin (Vitamin 𝐵3) turns food into energy and is vital for nervous system, digestive system, and skin health.
Cholesterol Management:
High-dose, often prescription-strength, niacin can significantly raise good HDL cholesterol while lowering bad LDL cholesterol and triglycerides.
Heart Health Support:
It has been used to slow the progression of atherosclerosis and reduce cardiovascular risk in some studies.
Mental Function:
It may help prevent age-related memory loss and dementia.
Cons (Side Effects & Risks) of Niacin:
Niacin Flush:
A common side effect where blood vessels dilate, causing intense redness, burning, or itching on the skin (usually face and chest).
Liver Damage:
High, long-term doses, particularly of sustained-release formulas, can cause liver toxicity.
Heart Risks & Inflammation:
Recent studies indicate high levels of niacin can break down into metabolites that cause vascular inflammation, potentially raising the risk of heart attack, stroke, and arterial damage rather than reducing it.
Blood Sugar & Gout:
Niacin can increase blood sugar levels (troublesome for diabetics) and raise uric acid levels, which can trigger gout.
Gastrointestinal Issues:
High doses can cause nausea, vomiting, and diarrhea.
Usage Examples & Considerations:
Dietary Sources:
Most people get enough B3 from foods like meat, fish, milk, and fortified cereals.
Supplementation:
Supplements are usually recommended only to address deficiencies.
Medical Treatment:
High doses for cholesterol are prescribed only under doctor supervision.
Synonyms:
Niacin:
Vitamin 𝐵3, Nicotinic Acid (differs from Nicotinamide/Niacinamide, which does not improve cholesterol).
Pros:
Benefits, Advantages, Therapeutic effects.
Cons:
Side effects, Disadvantages, Adverse reactions, Toxicity. University of Rochester Medicine
Disclaimer: Always consult a healthcare professional before taking high-dose niacin supplements.