“Beef organ supplements are better than a multivitamin.”
No study shows beef organ supplements are better than a multivitamin; liver supplies a few nutrients in large amounts and others hardly at all.
Beef organ capsules are not a proven upgrade over a multivitamin, and neither one replaces a varied diet. If you take liver capsules, the main thing to watch is how much vitamin A you are getting from all sources, especially if you could become pregnant.
If you are thinking about an organ blend to fill a nutrient gap, ask your doctor to check for that specific gap first.
Safety note: Liver is very rich in vitamin A, and too much vitamin A can cause serious illness. Large doses of vitamin A during pregnancy can cause birth defects, and the NHS advises pregnant women to avoid liver and liver products; liver capsules are a liver product. Over many years, more than about 1,500 micrograms of vitamin A a day from food and supplements may weaken bones, which matters most for older adults. Taking a liver supplement on top of a multivitamin, fish liver oil or regular liver meals can push vitamin A higher.
Talk to a healthcare professional if: you are pregnant or trying to get pregnant, you already take a multivitamin, fish liver oil or another vitamin A supplement, or you think you are low in a specific nutrient such as iron or vitamin B12.
No trial has tested beef organ supplements against a multivitamin, or for any health outcome; this verdict rests on what is known about their ingredients. Beef liver is very rich in a few nutrients and low in others, and neither product has been shown to protect health in well-fed adults, so confidence is Limited.
No study shows beef organ supplements are better than a multivitamin; liver supplies a few nutrients in large amounts and others hardly at all. By USDA figures, 3.5 ounces of raw beef liver holds about 4,970 micrograms of vitamin A, 59 micrograms of vitamin B12 and almost 10 milligrams of copper. The same amount has only about 1.3 milligrams of vitamin C and 1.2 micrograms of vitamin D. No trial has compared organ supplements with a multivitamin.
Multivitamins are not a proven health fix either. In 2022 the US Preventive Services Task Force found the evidence too thin to say whether multivitamins help prevent heart disease or cancer. How much of each nutrient an organ capsule supplies depends on how much dried organ it holds. Eating liver as a food is a separate choice; the UK's NHS advises having liver no more than once a week because of its vitamin A.
- US Department of Agriculture, Agricultural Research Service. FoodData Central: Beef, variety meats and by-products, liver, raw (FDC ID 169451, SR Legacy)
- US Preventive Services Task Force; Mangione CM, Barry MJ, Nicholson WK, et al. Vitamin, Mineral, and Multivitamin Supplementation to Prevent Cardiovascular Disease and Cancer: US Preventive Services Task Force Recommendation Statement. JAMA. 2022;327(23):2326-2333. DOI: 10.1001/jama.2022.8970. PMID: 35727271
- NHS. Vitamin A (Vitamins and minerals). Page last reviewed 3 August 2020
- NHS. Foods to avoid in pregnancy. Page last reviewed 15 June 2026
- MedlinePlus, National Library of Medicine. Vitamin A. Medical encyclopedia