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Weight & Muscle / Overview

Supplements for Weight and Muscle Goals: What the Research Actually Shows

Foods for fat loss, satiety, and building muscle.

By the Ration Editorial Team · Reviewed against primary research · Updated July 14, 2026

Key takeaways

  • Creatine remains the most consistently supported supplement for gains in lean body mass, especially alongside resistance training[9]
  • HMB shows promise for preserving muscle, particularly in untrained or metabolically stressed populations[6][8]
  • Ursolic acid is an emerging compound with strong animal data for muscle wasting conditions but limited human evidence[5][10]
  • Antioxidant compounds like CoQ10, propolis, and adaptogens like ashwagandha and rhodiola have more modest, mixed support[1][2][3][4][7][11][12]

What does 'weight and muscle' actually mean here

This goal covers two related but distinct things. One is building or preserving lean muscle mass, especially with resistance training.

The other is managing body weight or composition, including limiting fat gain or preventing muscle loss during illness, aging, or caloric stress.

Supplements marketed for this goal range from well studied basics like creatine to newer compounds like ursolic acid that are still mostly tested in animals.

Does creatine actually build muscle

Creatine is one of the most researched sports supplements available, and it works primarily by replenishing phosphocreatine stores in muscle, supporting rapid energy production during short bursts of effort.

A recent analysis looked specifically at creatine's effect on lean body mass, comparing outcomes with and without concurrent resistance training[9].

The findings suggest creatine supplementation can increase lean body mass on its own, but the effect is notably larger when paired with a structured resistance training program[9].

This lines up with the general understanding that creatine amplifies training adaptations rather than replacing the need to train.

What about HMB

HMB, or beta-hydroxy-beta-methylbutyrate, is a metabolite of the amino acid leucine. It has been studied for its potential to reduce muscle protein breakdown.

A position stand from the International Society of Sports Nutrition reviewed the evidence on HMB and concluded it may help preserve or increase muscle mass, particularly in situations involving high training stress, immobilization, or in older or untrained individuals[6].

Animal research adds another angle. In high-fat-fed mice, HMB supplementation was associated with increased muscle mass and reduced weight gain compared to controls[8].

Human evidence for HMB's effect on weight specifically is thinner than its evidence for muscle preservation, so the weight-related findings should be read as preliminary.

Is ursolic acid a real muscle supplement

Ursolic acid is a compound found in the waxy skins of apples and in herbs like rosemary and holy basil. It has drawn interest for its effects on muscle signaling pathways.

In a mouse model of cancer cachexia, a condition marked by severe muscle wasting, dietary ursolic acid supplementation helped preserve skeletal muscle mass and strength[5].

Separate research in senile diabetic mice and cultured myotubes found ursolic acid attenuated sarcopenia, the age-related loss of muscle, apparently through effects on inflammatory signaling tied to the gut-muscle axis[10].

These are promising mechanistic findings, but they come from animal and cell models. Human trials testing ursolic acid for muscle mass or strength in people are not yet part of this evidence base.

Do antioxidants and adaptogens help with muscle or performance

Several compounds studied for this goal work less on building muscle directly and more on reducing exercise-induced stress or supporting endurance.

Coenzyme Q10, or CoQ10, is involved in mitochondrial energy production. A meta-analysis of CoQ10 analogs found some benefit for reducing oxidative stress markers after exercise, with more mixed signals for muscle damage and metabolic outcomes[1].

A separate systematic review and meta-analysis focused specifically on exercise-induced muscle damage found CoQ10 supplementation may modestly reduce markers of muscle damage and oxidative stress in athletes[11].

Another review examined CoQ10's role in exercise tolerance and muscle strength, suggesting some potential benefit but noting the evidence remains inconsistent across studies[12].

Propolis, a resin-like substance made by bees, was studied for its effects on endurance exercise and molecular markers of inflammation and oxidative stress, with findings suggesting some protective signaling effects, though evidence in humans is still limited[7].

Rhodiola rosea, an adaptogenic herb, was tested in a randomized controlled trial in football players looking at both physical and decision-making performance, with some positive findings for performance markers[3].

Ashwagandha, another adaptogen, was tested at a low dose in a randomized, placebo-controlled, double-blind trial focused on exercise endurance, with results suggesting a possible benefit for endurance capacity[4].

A broader position stand from the International Society of Sports Nutrition reviewed dietary antioxidants as a category and cautioned that high-dose antioxidant supplementation could, in some cases, blunt beneficial training adaptations, so more is not automatically better[2].

How the evidence stacks up across compounds

Taken together, creatine and HMB have the most direct human evidence tied to muscle mass outcomes[6][9].

Ursolic acid has compelling mechanistic and animal data but needs human trials before firm conclusions are possible[5][10].

CoQ10, propolis, rhodiola, and ashwagandha sit in a middle zone, with some positive findings but effect sizes that are often small or inconsistent across trials[1][3][4][7][11][12].

Food sources versus supplements

Is it safe to combine these

Creatine and HMB both have long track records of use in sports nutrition research with generally favorable safety profiles at studied doses[6][9].

Adaptogens and antioxidant compounds have shorter track records in rigorous human trials, and the research reviewed here often involves small sample sizes or short durations[3][4][7].

The caution around high-dose antioxidants blunting training adaptations is worth taking seriously if the goal is maximizing strength or muscle gains from a training program[2].

Anyone considering combining several of these compounds, or using them alongside medications or existing health conditions, should bring the conversation to a healthcare provider familiar with their history.

Who might consider these supplements

Bottom line

Creatine paired with resistance training has the clearest, most replicated evidence for building lean body mass[9].

HMB looks useful for preserving muscle, especially under stress or in less trained individuals[6][8].

Ursolic acid is a genuinely interesting compound worth watching, but its evidence is currently animal based[5][10].

Antioxidants and adaptogens may offer smaller, situational benefits for recovery and endurance, without replacing the fundamentals of training and diet[1][2][3][4][7][11][12].

Frequently asked questions

Does creatine help build muscle without exercise

Creatine appears to modestly increase lean body mass on its own, but the effect is considerably larger when combined with resistance training[9].

Is HMB better than creatine for muscle

They are not directly compared in the same trials here, but HMB evidence leans toward preserving muscle in stressed or untrained states, while creatine has broader evidence for active gains during training[6][9].

Can ursolic acid be taken as a supplement for muscle loss

Ursolic acid has shown benefits for preserving muscle in animal models of cachexia and sarcopenia, but human trials are still lacking, so its real-world effectiveness in people is unknown[5][10].

Do antioxidant supplements help athletes recover faster

Some, like CoQ10, show modest reductions in exercise-induced muscle damage and oxidative stress markers, though findings are mixed and high doses may blunt training adaptations[1][2][11][12].

Are ashwagandha and rhodiola proven to boost performance

Early randomized trials suggest possible benefits for endurance and performance measures, but the evidence base is still small compared to compounds like creatine[3][4].

Sources

  1. Effects of coenzyme Q10 analogs on oxidative stress, muscle, and metabolism after exercise: A meta-analysis and systematic review · PMID 41657017
  2. International Society of Sports Nutrition position stand: effects of dietary antioxidants on exercise and sports performance · PMID 41701327
  3. Effects of Rhodiola rosea on Physical and Decision-Making Performance in Football Players: A Randomised Controlled Trial · PMID 41829897
  4. Efficacy and Safety of Low-Dose Ashwagandha Supplementation on Exercise Endurance: A Randomized, Placebo-Controlled, Double-Blind, Clinical Trial · PMID 41846233
  5. Dietary supplementation with ursolic acid preserves skeletal muscle mass and strength in mouse models of cancer cachexia · PMID 42117587
  6. International society of sports nutrition position stand: β-hydroxy-β-methylbutyrate (HMB) · PMID 39699070
  7. Effects of propolis intake on endurance exercise and molecular signaling related to inflammation and oxidative stress · PMID 40078415
  8. β-Hydroxy-β-methylbutyrate (HMB) increases muscle mass and diminishes weight gain in high-fat-fed mice · PMID 40250490
  9. The Effect of Creatine Supplementation on Lean Body Mass with and Without Resistance Training · PMID 40292479
  10. Ursolic acid attenuates sarcopenia through IL-17a-related gut-muscle axis in senile diabetic mice and myotube model · PMID 40294722
  11. Can coenzyme Q10 supplementation reduce exercise-induced muscle damage and oxidative stress in athletes? A systematic review and meta-analysis · PMID 40367843
  12. The role of coenzyme Q10 in exercise tolerance and muscle strength · PMID 40411469

What the research points to

Compounds and supplements studied for weight & muscle, ranked by evidence quality. Each links to the studies on PubMed. Research associations only, not medical advice.