9 Vitamins & Supplements That DESTROY Your Liver & Kidneys

 Here’s a detailed breakdown of nine  vitamins,  supplements and supplement-practices that can damage your liver and/or kidneys — how they do it, the risks, how to spot the problem, and how to protect yourself. This is general info, not personalized medical advice: if you have liver or kidney disease (or are pregnant, taking meds, etc.), you should talk to a doctor before using supplements.

1. Excessive Vitamin A (Preformed Retinol)

What it is

 Vitamin A comes in two general forms: preformed vitamin A (retinol/retinyl esters) found in animal-derived foods and supplements, and provitamin A carotenoids (e.g., beta-carotene). The toxic risk is mostly from the preformed kind.

How it harms

• The liver stores vitamin A and plays a major role in metabolising/clearing it. In high doses the liver can get overloaded, leading to inflammation, liver enzyme elevation and even cirrhosis.

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• Accumulation of retinol/retinyl esters in liver and other organs causes oxidative stress, fibrosis risk.

• With kidneys: the damage is less direct, but because liver dysfunction affects whole-body metabolism, and vitamin A excess can disturb fluid/electrolyte balance, kidneys can get secondarily stressed.