Creatine HMB vs Monohydrate: How They Differ and Which to Choose

Creatine HMB is not a separate form of creatine. It is creatine blended with HMB (beta-hydroxy beta-methylbutyrate), a compound made from the amino acid leucine, while creatine monohydrate is creatine on its own and the most studied form. Both have human research for lean mass and strength with training, and in a 6-week trial in rugby players, adding HMB to creatine gave no extra benefit over creatine alone.

Key Takeaways

• Creatine HMB is a blend, not a form of creatine. Monohydrate is the most studied form (NIH Office of Dietary Supplements).
• Creatine helps muscle recycle ATP for short, intense efforts. HMB has been studied mainly for recovery from muscle-damaging exercise (Wilson et al., 2013).
• Of 250 supplements screened in a meta-analysis of resistance training studies, creatine and HMB were the two that increased lean mass and strength gains (Nissen and Sharp, 2003).
• In 16 college rugby players, 5 g of HMB plus 5 g of creatine a day for 6 weeks did not improve body composition, strength or sprinting more than 5 g of creatine alone (Mangine et al., 2020).
• Studies use 3 to 5 g of creatine a day and most often 3 g of HMB a day.

What Is Creatine HMB?

"Creatine HMB" is the name for supplements that combine creatine, usually creatine monohydrate, with HMB in one scoop or capsule. Your body makes HMB from leucine, an amino acid in protein foods, but only about 5 percent of leucine becomes HMB, so the 3 g a day used in most studies is not practical to get from food (NIH Office of Dietary Supplements).

Your liver and kidneys make about 1 g of creatine a day, and you also get it from meat and fish. Supplementing raises the creatine stored in muscle. See creatine benefits and our creatine ingredient page.

HMB vs Creatine: How Each One Works

	Creatine monohydrate	HMB
What it is	A compound made from three amino acids, stored mostly in muscle	A breakdown product of the amino acid leucine
How it works	Raises phosphocreatine stores, which help muscle recycle ATP during short, intense efforts	Studied for slowing muscle protein breakdown and supporting muscle protein synthesis
Main research focus	Strength, power, repeated sprints and lean mass with training	Recovery from muscle-damaging exercise, plus lean mass and strength with training
Amounts used in research	3 to 5 g a day, with or without a 5 to 7 day loading phase	1.5 to 6 g a day, most often 3 g
Timing	Any time of day; daily consistency matters most	Close to workouts, starting about 2 weeks before hard training

HMB vs Creatine for Muscle Growth and Strength

The clearest side-by-side look is a meta-analysis of resistance training studies. Of 250 supplements examined, only 6 had enough qualifying studies, and only creatine and HMB increased gains beyond training alone: creatine added about 0.36 percent lean mass and 1.09 percent strength per week, and HMB about 0.28 percent lean mass and 1.40 percent strength per week (Nissen and Sharp, 2003).

Creatine's research base has kept growing. A meta-analysis of 22 randomized trials in 721 men and women with an average age of 57 to 70 found that creatine taken during 7 to 52 weeks of resistance training added about 1.37 kg of lean tissue mass compared with placebo, with greater chest press and leg press strength (Chilibeck et al., 2017). For HMB, the society's position stand concludes that about 38 mg per kg of body weight a day has supported muscle size, strength and power with a suitable training program, and has increased lean body mass and function in older, sedentary people (Wilson et al., 2013).

Creatine monohydrate has the larger body of research. For how quickly it builds up, see the creatine loading phase.

HMB and Creatine Together: Do They Add Up?

• A systematic review of 6 studies found that 3 to 10 g of creatine monohydrate plus 3 g of HMB a day for 1 to 6 weeks could have positive effects on sports performance, while markers of muscle damage and hormones did not change (Fernández-Landa et al., 2019).
• In 30 active adults aged 60 and over, 6 weeks of creatine plus HMB with four supervised training sessions a week improved several strength and muscular endurance measures compared with placebo, largely independent of changes in muscle mass (Ramos-Hernández et al., 2025).
• In 16 college rugby players, 5 g of creatine plus 5 g of HMB a day for 6 weeks gave no greater benefit for body composition, strength or sprinting than 5 g of creatine plus placebo (Mangine et al., 2020).

The older adults trial compared the pair with placebo, so it cannot show what each ingredient added. The rugby trial tested that directly, and creatine alone did as well as creatine with HMB.

Creatine HMB vs HCl vs Monohydrate

Creatine monohydrate is creatine bound to a water molecule. Creatine HCl (hydrochloride) is a different salt form of the same compound. Creatine HMB adds a second ingredient. Monohydrate is the most studied form, and other forms have not been shown to work better (NIH Office of Dietary Supplements). Our guide to creatine HCl vs monohydrate compares those two.

Choosing Between Them and How to Take Them

• For one supplement with the deepest research base, start with creatine monohydrate: 3 to 5 g a day, or 20 g a day in four 5 g servings for 5 to 7 days, then 3 to 5 g a day. See how much creatine per day.
• If recovery from very hard sessions is your main goal, HMB is the ingredient studied most for that, most often at 3 g a day near workouts.
• If you choose a creatine HMB blend, check that the label lists the grams of creatine and of HMB separately, so you can compare each with the amounts studied.
• Take it every day. Creatine builds up over a few weeks, and consistency matters more than timing. See when to take creatine.

Safety: Creatine and HMB

Creatine

The International Society of Sports Nutrition reports that short and long-term creatine use, up to 30 g a day for 5 years, has been safe and well tolerated in healthy people (Kreider et al., 2017). The most consistent change is a gain of about 1 to 2 kg in the first month, from water held in muscle (NIH Office of Dietary Supplements). Creatine is for adults 18 and over. Talk to your doctor first if you have kidney disease, take medicines that affect the kidneys, or are pregnant or breastfeeding. Creatine can raise creatinine, a marker used in kidney tests, so let your doctor know you take it. More in creatine side effects.

HMB

A review of nine studies found 3 g of HMB a day for 3 to 8 weeks well tolerated in adults aged 18 to 47 and 62 to 81, with no adverse changes in blood chemistry. HMB has not been studied in teenagers. The common calcium form, HMB-Ca, is about 13 percent calcium, so 3 g a day adds roughly 400 mg of calcium (NIH Office of Dietary Supplements). If you take prescription medicine, check with your clinician before starting either one.

Where Our Creatine Monohydrate Fits

Our Creatine Monohydrate is a creatine monohydrate powder rather than a creatine HMB blend, with 5 g in every scoop and 30 scoops in each 150 g jar, about a month at one scoop a day. Mix 1 scoop (5 g) daily, or as directed on the label, into water, juice or a smoothie. It is made with third-party tested ingredients. Creatine also helps cells recycle ATP in the brain as well as the body; see our guide to cellular energy and mitochondrial health.

It is coming soon: join the list on the product page and we will email you as soon as it launches.

Frequently Asked Questions

Is creatine HMB better than creatine monohydrate?

Not in the trial that compared them directly. In college rugby players, 5 g of creatine plus 5 g of HMB a day for 6 weeks gave no extra benefit for body composition, strength or sprinting over 5 g of creatine alone. Creatine monohydrate on its own is the most studied option.

What is the difference between HMB and creatine?

Creatine helps muscle recycle ATP, the energy used in short, intense efforts like lifting and sprinting. HMB is made from the amino acid leucine and is studied for slowing muscle protein breakdown and supporting recovery from hard exercise. Both are studied for gains with resistance training.

Can you take HMB and creatine together?

Yes. Studies have often given 3 to 10 g of creatine with 3 g of HMB a day, and a systematic review found possible benefits for sports performance over 1 to 6 weeks. Check with your clinician first if you have kidney concerns, are pregnant or take medicine.

HMB vs creatine for muscle growth: which works better?

In a meta-analysis of 250 supplements, they were the only two that increased lean mass and strength gains with resistance training, with similar weekly gains. Creatine has the larger body of research since, including a meta-analysis of 721 older adults that found about 1.37 kg more lean tissue mass than placebo.

Creatine HMB vs HCl: what is the difference?

Creatine HCl is a different salt form of creatine. Creatine HMB is a blend that adds HMB, a separate ingredient made from leucine. So HCl changes the form of creatine, while creatine HMB adds something to it. Monohydrate remains the most studied form, and other forms have not been shown to work better.

What are the benefits of creatine HMB?

A blend pairs creatine, studied for strength, power and lean mass with training, with HMB, studied for recovery from hard exercise. In active adults aged 60 and over, the pair with 6 weeks of supervised training improved several strength and endurance measures compared with placebo.

How much HMB and creatine should you take?

Creatine studies use 3 to 5 g a day, with an optional loading phase of 20 g a day for 5 to 7 days. HMB studies most often use 3 g a day, taken near workouts; one position stand cites 38 mg per kg of body weight a day. Follow the directions on your product's label.

Is creatine HMB safe?

In healthy adults, creatine has been well tolerated at up to 30 g a day for 5 years, and 3 g of HMB a day for 3 to 8 weeks. The calcium form of HMB adds about 400 mg of calcium per 3 g. Talk to your doctor first if you have kidney disease.

Sources

• National Institutes of Health, Office of Dietary Supplements. Dietary Supplements for Exercise and Athletic Performance: Fact Sheet for Health Professionals. https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/
• Wilson JM, Fitschen PJ, Campbell B, et al. International Society of Sports Nutrition Position Stand: beta-hydroxy-beta-methylbutyrate (HMB). Journal of the International Society of Sports Nutrition, 2013. https://pubmed.ncbi.nlm.nih.gov/23374455/
• Nissen SL, Sharp RL. Effect of dietary supplements on lean mass and strength gains with resistance exercise: a meta-analysis. Journal of Applied Physiology, 2003. https://pubmed.ncbi.nlm.nih.gov/12433852/
• Mangine GT, VanDusseldorp TA, Hester GM, Julian JM, Feito Y. The addition of beta-hydroxy beta-methylbutyrate (HMB) to creatine monohydrate supplementation does not improve anthropometric and performance maintenance across a collegiate rugby season. Journal of the International Society of Sports Nutrition, 2020. https://pubmed.ncbi.nlm.nih.gov/32460801/
• Chilibeck PD, Kaviani M, Candow DG, Zello GA. Effect of creatine supplementation during resistance training on lean tissue mass and muscular strength in older adults: a meta-analysis. Open Access Journal of Sports Medicine, 2017. https://pubmed.ncbi.nlm.nih.gov/29138605/
• Kreider RB, Kalman DS, Antonio J, et al. International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine. Journal of the International Society of Sports Nutrition, 2017. https://pubmed.ncbi.nlm.nih.gov/28615996/
• Fernández-Landa J, Calleja-González J, León-Guereño P, et al. Effect of the combination of creatine monohydrate plus HMB supplementation on sports performance, body composition, markers of muscle damage and hormone status: a systematic review. Nutrients, 2019. https://pubmed.ncbi.nlm.nih.gov/31635165/
• Ramos-Hernández R, Miguel-Ortega A, Martínez-Ferrán M, et al. Combined creatine and HMB co-supplementation improves functional strength independent of muscle mass in physically active older adults: a randomized crossover trial. GeroScience, 2025. https://pubmed.ncbi.nlm.nih.gov/41073834/

These statements have not been evaluated by the Food and Drug Administration. This content is for education and is not medical advice. Our products are not intended to diagnose, treat, cure or prevent any disease. Talk with a healthcare provider before starting a new supplement if you are pregnant, breastfeeding or taking medication.