Optimum HMB - 1000mg - 90 Caps

90% of 100
In stock

Benefits and Results:

  • Helps Protect and Preserve Muscle†
  • Supports Lean-Body Mass†
  • Increasing Muscle Weight and Strength†
Frequently Bought Together

HMB By Optimum Nutrition - 1000 mg - 90 Caps - Muscle Builder

What Is It?

Optimum Nutrition HMB is used to help increase body weight and lean muscle mass. Hydroxy Beta- Methylbutyrate (HMB) may support increased benefits from weight training and exercise such as, increased strength, improved body composition, and reduced muscle damage. This muscle building supplement can help enhance anabolic effects and improve your overall health.

How Does It Work?

Hydroxy Beta-Methylbutyrate is a chemical that is produced when the body breaks down the amino acid Leucine, which is one of the building blocks of protein. This chemical can help increase protein synthesis, improve muscle growth and reduce muscular damage.


  • Calcium-beta-Hydroxy beta-Methylbutyrate Monohydrate: 1g

What Should I Expect?

  • Helps Build Lean Muscle †
  • Preserves Lean Mass †
  • Increased Strength †
  • Anabolic Effects †
  • Anti-Catabolic †

Who Should Take It/ Who Shouldn’t Take It?

This product is intended for healthy adults who are looking for a supplement to help increase and maintain lean muscle mass.

Featured Customer Reviews:

Good Product. By Gabriel

  • Really helps maintain muscle mass in cut

Good Anticatabolic. By Thiago

  • Excellent product. Proven to have good results.


When is the best time to take this?

  • We recommend taking this product with a protein source before and after a workout.

Is this product safe?

  • There has not been any reported side effects when taking doses of 3 grams per day.



  • This product contains 1000mg of HMB and 100mg of Leucine in each serving.

Vs. Nutrex HMB

  • This product contains 1000mg of HMB in 2 capsules.

How Do I Take It?

Dosage and Directions:

Take 1 capsule 3 times daily with protein containing meals.

What's In Optimum HMB?

Supplement Facts / Label:

Optimum HMB Supplement Facts

Warnings and Side Effects:

Consult your physician before using this product if you are taking any medications or are under a physician's care for a medical condition. Not for use by those under the age of 18 or women that are pregnant, trying to get pregnant, or nursing.


PLEASE NOTE: Product images represent the product offered but may not contain exact attributes. Please read the product description for the specific attributes of this product.

†PLEASE NOTE: The intention of the information above is for reference only. It is our goal to maintain and display accurate information. Yet, we can't guarantee it represents the latest formulation of the product. If you have any concerns, please visit the manufacturer's website. The information above is not a representation of our views at Same Day Supplements. These are the views and information provided by the product's manufacturer. The Food and Drug Administration has not evaluated these statements. The intention of this product is not to diagnose, treat, cure or prevent any disease or illness.

*Prices are subject to change at any time and items may limit to stock on hand.


  • Hamid Arazi, Abbas Asadi, Katsuhiko Suzuki. (June 2018) The Effects of Beta-Hydroxy-Beta-Methylbutyrate-Free Acid Supplementation and Resistance Training on Oxidative Stress Markers: A Randomized, Double-Blind, Placebo-Controlled Study. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6025490/
  • Alexander C Stahn, Martina Anna Maggioni, Hanns-Christian Gunga, Elmarie Terblanche. (March 2020) Combined Protein and Calcium β-hydroxy-β-methylbutyrate Induced Gains in Leg Fat Free Mass: A Double-Blinded, Placebo-Controlled Study https://pubmed.ncbi.nlm.nih.gov/32164702/
In-stock orders placed before 3pm EST ship out the same day.

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More Information
SKU ON-0177
Weight 0.3500
UPC 748927023138
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Customer Reviews
  1. Excelente Produto
    Overall Product Review
    Seria perfeito se viesse com 120 cápsulas. A entrega foi super rápida. Me sinto muito bem utilizando HMB da ON. (It would be perfect if it came with 120 capsules. The delivery was super fast. I feel great using ON's HMB.)

    Review by Douglas

    Posted on

  2. Good Product
    Overall Product Review
    Really helps maintain muscle mass in cut

    Review by Gabriel

    Posted on

  3. Muito bom
    Overall Product Review
    Excelente produto!!

    Review by Lucas

    Posted on

  4. good anticatabolic
    Overall Product Review
    excellent product. proven to have good results, but the price is high

    Review by Thiago

    Posted on

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