HMB + Vitamin D3
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Endurance to go the distance: Hydroxymethylbutyrate (HMB) is a metabolite that supports muscle mass maintenance, muscle strength, and endurance—perfect for athletes and anyone who wants to excel in and out of the gym.*^
- Delivers 3000 mg hydroxymethylbutyrate from myHMB®†††, a clinically studied form of HMB that supports muscle mass maintenance, muscle strength, exercise performance, and endurance*^
- Includes 13 mcg vitamin D3 from algae for additional support, plus 411 mg calcium to support healthy teeth and bones*
- Hydroxymethylbutyrate is a metabolite of the amino acid leucine that is naturally produced in the body, but only in small amounts
- Made with a natural lemon-lime flavor (also available in vanilla flavor)
- Mix 1 scoop into 8 oz of water or beverage of your choice; take once daily or prior to exercise
^In conjunction with a new diet or exercise program.
†††myHMB® is a registered trademark of TSI Group Co., Ltd.
Ingredients
Ingredients
Vitamin D (Cholecalciferol from algae), Calcium (from myHMB• calcium 3-Hydroxy-3-Methylbutyrate Monohydrate), HMB (myHMB• calcium 3-Hydroxy-3-Methylbutyrate Monohydrate), Citric Acid, Natural Lemon and Lime Flavor wh Other Natural Flavors, Sea Salt, Silica, and Steviol Glycoside.
Directions
Directions
Use only as directed. Mix 1 scoop into 8 ounces of water or beverage of your choice. Take once daily as needed or prior to exercise. Store in a cool, dry place.

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Quality at Our Core
Since 1973, Solaray has believed that what you put in your body should be proven, not promised.
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Superior Sourcing
We source our own raw materials and triple-test every lot.
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Excellence Start to Finish
We manufacture 95% of our products for full control.
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Tests That Earn Your Trust
15,000 tests per month verify ingredient potency and purity.^

Trust Built On Testing. Every Time.
In an industry where quality can vary widely, testing isn't just a step in the process. It is the process.
✅ Passed Testing for Heavy Metals**
Arsenic, cadmium, lead, mercury
✅ Passed Testing for Microbials**
Mold, yeast, coliform, e. Coli
✅ Passed Testing for Contaminants**
Gluten, ethylene oxide
✅ Passed Testing for Physical Properties
Moisture, color, disintegration, tap density, mesh 140, 20, and 60
**Most contaminants, heavy metals, and microbes are tested to ensure no more than 3 ppm.

Made in Utah with Global Ingredients.
Our production facility in Ogden, Utah is a GMP facility certified by NSF. We source and triple-test raw materials, make the majority of our products in-house, conduct stringent testing in our ISO-accredited lab, and distribute our own products to ensure quality and excellence in every bottle.
Disclaimer: The customer reviews and testimonials featured on this site reflect individual experiences and opinions. Results may vary and are not guaranteed. These statements have not been evaluated by the Food and Drug Administration (FDA). The content is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional before starting any new supplement regimen or if you have concerns about your health.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.