Apr 28, 2021 · HMB is a substance your body produces naturally when it breaks down the amino acid leucine. It may offer benefits as a supplement, possibly helping reduce muscle loss or increasing …

It can be found naturally in small amounts in grapefruit, alfalfa, and catfish. It's also naturally made in the body. People use HMB for building muscle or preventing age-related muscle loss.

Jan 27, 2026 · HMB is a metabolite of the essential amino acid leucine that plays an anticatabolic role in muscle tissue. In addition to preventing muscle protein breakdown, HMB may help improve strength …

Dec 9, 2025 · Hydroxymethylbutyrate (HMB) benefits muscle strength and recovery. It lowers exercise-induced muscle damage and may slow muscle wasting in older adults.

β-Hydroxy β-methylbutyric acid[note 1] (HMB), otherwise known as its conjugate base, β-hydroxy β-methylbutyrate, is a naturally produced substance in humans that is used as a dietary supplement …

Jul 31, 2023 · But HMB in particular is used for more than just bodybuilding, especially after a July 2023 study suggested HMB could be used to slow cognitive decline. Read on for the pros and cons of …

Apr 30, 2024 · HMB, or hydroxymethylbutyrate, is being touted online as a muscle building supplement. Dietitians explain what HMB is, its health benefits, and risks.

Aug 16, 2019 · Beta-hydroxy-beta-methyl butyrate, or HMB for short, is made in our body from the amino acid leucine.

Jun 7, 2025 · What is HMB? Hydroxymethylbutyrate (HMB) is a naturally produced substance in the human body, derived from the amino acid leucine. HMB is also available as a dietary supplement, …

Oct 14, 2025 · HMB is a supplement that may help improve muscle strength and reduce muscle damage. HMB is considered safe for most people, but talk to a healthcare provider before using it. …