To understand how retatrutide compares to other weight loss options, read our [retatrutide vs tirzepatide comparison](/guides/retatrutide-vs-tirzepatide-comparison).* --- ## References - [USP Chapter 797: Pharmaceutical Compounding - Sterile Preparations]( *United States Pharmacopeia*, 2023
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For example, taking very high doses of vitamin B6 can lead to potentially irreversible nerve damage over time, while taking large amounts of niacin typically in excess of 2 grams per day can cause liver damage ( Fat-soluble vitamins Unlike water-soluble vitamins, fat-soluble vitamins do not dissolve in water and are easily stored in your bodys tissues ( There are four fat-soluble vitamins: Vitamin A Vitamin D Vitamin E Vitamin K Given that fat-soluble vitamins can accumulate in the body, these nutrients are more likely to lead to toxicity than water-soluble vitamins
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