The Best Supplements for Muscle Growth, Ranked on Hypertrophy Evidence

How we scored

Every product below is scored on six metrics, 0-10 each, with the weighting described on how we review. The criteria specific to this category:

• Hypertrophy evidence specifically. The heaviest-weighted metric, and narrower than the category pretends. The question is not whether a supplement is healthy or whether it has a plausible mechanism — it is whether controlled trials in training humans show more lean mass or more strength than placebo when training and protein intake are matched. We reward repeated randomized trials and position-stand-level consensus, and we mark down anything resting on mechanism stories, rodent work, or a single manufacturer-funded study.
• Dose and form that match the studies. A supplement only works at the amount and in the form that was tested. That means 5 g per day of creatine MONOHYDRATE, not an upcharge 'advanced' creatine; 20-40 g of complete protein per serving with 700-3,000 mg of leucine; 3.2-6.4 g per day of beta-alanine, split to limit paraesthesia. We mark down undersized servings and anything where the effective amount is buried inside a blend.
• Label honesty and no proprietary blends. Mass-gain and pre-workout shelves are the worst offenders for proprietary-blend fairy dust: fourteen ingredients, one combined milligram total, and no way to know what you are actually getting. We reward single-ingredient products and fully disclosed amounts, and mark down blends, filler aminos used to inflate the protein figure, added sugar, and marketing language implying clinical results the product never earned.
• Third-party testing. Supplements are not pre-approved by the FDA, so independent verification is the only practical assurance that the tub contains what the label says. We favor NSF Certified for Sport, Informed Choice and Informed Sport, and USP verification. This weighs double for anyone competing in a tested sport, where a contaminated tub is a banned-substance finding.
• Value per effective dose. We cost out a genuinely effective serving, not the smallest serving printed on the label. A tub that looks cheap per scoop but needs two scoops to reach a studied dose is not cheap. Creatine monohydrate scores at the ceiling here — pennies per day for the best-supported supplement in sports nutrition — while premium isolates and EAA powders have to justify a much higher cost per gram of actual benefit.
• Does it earn its place over food and training? The last and most important check. If the same result comes from adding a chicken breast, eating 300 more calories, adding a set, or sleeping another hour, we say so rather than selling you a tub. Several products here rank lower than their own category-page score precisely because they fail this test for hypertrophy specifically.

What to know before buying

• Buy creatine monohydrate and ignore every other form. Five grams a day, every day, timing irrelevant. You do not need a loading phase — loading just gets you to saturation in a week instead of a month. You do not need HCl, buffered, liquid, or 'advanced' creatine: none has beaten plain monohydrate head to head in a trial, and all cost more per effective gram. Monohydrate is also the form in the overwhelming majority of the research, which is the entire reason it is the default. Expect one to three pounds of water weight inside muscle in the first weeks — that is the mechanism working, not fat gain.
• Total daily protein beats protein timing, and food beats powder. The ISSN position stand points at 1.4-2.0 g/kg/day for building and maintaining muscle in active people, in servings of about 20-40 g every three to four hours. The old anabolic window you had to sprint to hit has not held up: if you have eaten protein in the hours around training, you are fine. So the right way to use a powder is as a tool for hitting a daily total you would otherwise miss — not as a magic post-workout agent. Eggs, meat, fish, dairy and legumes do the same job, and come with everything else food contains.
• Calories are the supplement nobody sells you. You cannot build meaningful muscle in a large deficit. If you are eating at maintenance or below and wondering why nothing is growing, no tub on this page fixes it — a modest surplus of roughly 10-20% above maintenance, paired with progressive overload, is the actual intervention. This is also why mass-gainer powders are mostly expensive maltodextrin: if you need more calories, rice, oats, olive oil and whole milk are cheaper, and a whole-food-first approach means you get nutrients with them rather than just sugar.
• Beta-alanine helps a specific thing, and hypertrophy is not quite it. Beta-alanine raises muscle carnosine, which buffers acidity and improves performance in efforts lasting roughly one to four minutes — think a brutal set of 20 squats, a 500 m row, or high-rep metcon work. That extra work capacity can indirectly support hypertrophy by letting you accumulate more quality volume, which is an honest second-order case rather than a direct one. It needs 3.2-6.4 g daily for several weeks to saturate, dose timing is irrelevant, and the harmless skin-tingling (paraesthesia) is reduced by splitting doses.
• This is YMYL territory and some of this category is genuinely risky. Nothing here treats a condition or raises hormones. Be sceptical of anything marketed as a testosterone booster, a SARM, a 'legal anabolic', or a proprietary growth matrix — the ones that work are drugs with real risks, and the ones sold as supplements mostly do not work. Products in this category have also been found adulterated with undeclared pharmaceuticals, which is precisely why third-party certification is weighted so heavily here. If you are pregnant, nursing, under 18, taking medication, or managing a health condition — kidney disease especially, since creatine raises serum creatinine readings without harming healthy kidneys — talk to your doctor before adding any of this.

Our picks

#1Best overall for muscle growthBest overall for muscle growth — the strongest evidence base in sports nutrition, for pennies a day

Optimum Nutrition — Creatine Monohydrate Powder (Micronized)

Key specs: 5 g creatine monohydrate per serving · 600 g tub · Creapure-grade micronized monohydrate · single ingredient · no loading phase required · unflavored

$27.00·View on AmazonIn Stock

Pros

• The ISSN position stand calls creatine monohydrate the most effective ergogenic nutritional supplement available to athletes for increasing high-intensity exercise capacity and lean body mass during training
• Plain monohydrate is the exact form used in the overwhelming majority of the research — no upcharge form has beaten it head to head
• Single-ingredient label with nothing to hide: 5 g per serving, fully disclosed, no blend
• Among the cheapest supplements per effective dose in existence, which is why it beats far more expensive products on this page
• Works regardless of timing, so adherence is trivial — one scoop in anything, any time of day

Cons

• Micronized monohydrate still settles in water more than the pricier soluble forms, which is a texture complaint rather than a performance one
• Water-weight gain inside the muscle in the first weeks is normal and puts some people off
• Not third-party certified for sport at this price point — competitive athletes should look at the NSF Certified for Sport option in our creatine roundup

Who this one is for

For everyone who lifts, essentially without caveat. If you buy exactly one supplement off this page, buy this one. It is the right pick whether you are a beginner on your first linear-progression program or ten years in, because the effect is on high-intensity work capacity and lean mass rather than on anything training-level-specific. The only readers who should pause are those with kidney disease, who should talk to a doctor first.

Optimum Nutrition — Creatine Monohydrate Powder (Micronized)

Rubric score

9.4/10

• Hypertrophy evidence10/10
• Dose & form10/10
• Label honesty10/10
• Third-party testing7/10
• Value10/10

$27.00·View on AmazonIn Stock

#2Best protein for muscle growthBest protein for muscle growth — 25 g of fast complete protein with Informed Choice certification

Dymatize — ISO100 Hydrolyzed

Key specs: 25 g protein / 110 cal per scoop · hydrolyzed whey protein isolate · very low lactose and fat · Informed Choice certified on listed batches

$42.48·View on AmazonIn Stock

Pros

• A single scoop lands squarely in the 20-40 g per-serving range the ISSN position stand points at for maximizing muscle protein synthesis
• Whey is a complete protein with all nine essential amino acids and a high leucine content — the thing that separates it from any BCAA product
• Hydrolyzed isolate strips most of the lactose and fat, which makes it the easiest whey to tolerate for people who bloat on concentrate
• Informed Choice certification on listed batches is meaningful third-party assurance and matters if you compete in a tested sport
• 110 calories for 25 g of protein is an excellent ratio if you are tracking macros on a lower-carb approach

Cons

• Clearly more expensive per gram of protein than a concentrate blend, and hydrolysis buys convenience rather than extra muscle
• Dairy-derived, so it is out for anyone avoiding dairy — see our plant protein coverage instead
• It is a convenience product: the same protein from meat, eggs, fish or dairy does exactly the same job for growth

Who this one is for

For the lifter who keeps missing their daily protein total because real food is inconvenient at the wrong times of day. The hydrolyzed isolate is also the pick if whey concentrate upsets your stomach, since most of the lactose is stripped out. If you are already hitting 1.6 g/kg from food comfortably, you do not need this — and we would rather say that than sell you a tub.

Dymatize — ISO100 Hydrolyzed

Rubric score

9/10

• Hypertrophy evidence9/10
• Dose & form10/10
• Label honesty9/10
• Third-party testing8/10
• Value7/10

$42.48·View on AmazonIn Stock

#3Best for training volumeBest for training volume — more quality reps in the 1-4 minute range, which is an honest second-order case

Nutricost — Beta-Alanine Powder (500 g)

Key specs: Pure beta-alanine powder · 500 g tub · roughly 2-3 g per scoop · unflavored · single ingredient · made in a GMP facility · months of servings per tub

$19.95·View on AmazonIn Stock

Pros

• Raises muscle carnosine and improves performance in efforts lasting roughly one to four minutes — one of the better-replicated findings in sports supplementation
• Supports the indirect but real path to hypertrophy: more quality volume completed per session, accumulated over months
• A big tub of pure powder makes the genuinely effective 3.2-6.4 g daily dose affordable, which is where capsule products fall apart on cost
• Single-ingredient and unflavored, so you can split the daily dose to reduce tingling and stack it into anything

Cons

• No direct hypertrophy evidence — the mechanism is a buffering effect on work capacity, not a growth signal
• Needs several weeks of daily dosing to saturate muscle carnosine, so there is nothing to feel on day one
• Harmless skin tingling (paraesthesia) at larger single doses puts some people off until they split the dose

Who this one is for

For the lifter whose sets die on reps 12-20, or who does high-rep squat work, sled pushes, rowing intervals or metcons. The case for hypertrophy is indirect — it lets you accumulate more hard volume, and volume drives growth. If your training is all heavy triples and long rests, this one does very little for you and you should skip it.

Nutricost — Beta-Alanine Powder (500 g)

Rubric score

8.2/10

• Hypertrophy evidence6/10
• Dose & form10/10
• Label honesty10/10
• Third-party testing6/10
• Value10/10

$19.95·View on AmazonIn Stock

#4Best dairy-free proteinBest dairy-free protein — a complete plant blend that is actually drinkable every day

Orgain — Organic Vegan Protein Powder (21 g)

Key specs: 21 g protein per scoop from organic pea, brown rice and chia/hemp · USDA Organic · vegan, gluten-, dairy- and soy-free · lightly sweetened with stevia/erythritol · 2.03 lb tub

$29.59·View on Amazon$31.987% offIn Stock

Pros

• Blending pea with rice covers the limiting amino acids either source has alone, which is what makes it a complete protein rather than a partial one
• 21 g per scoop is inside the useful per-serving range for stimulating muscle protein synthesis
• USDA Organic and free of the common allergens, which solves a real problem for dairy-avoidant lifters
• Mixes and tastes well enough to actually drink daily — the main reason plant proteins get abandoned is palatability

Cons

• Plant blends are lower in leucine per gram than whey, so the per-serving anabolic response is modestly weaker at equal protein
• Costs more per gram of protein than whey concentrate
• Sweetened with stevia and erythritol, which some people dislike and some tolerate poorly

Who this one is for

For the lifter who cannot or will not use whey and still needs a convenient 20 g+ hit of complete protein. The pea-and-rice blend covers the amino acid gaps that either source has alone. If you tolerate dairy, whey remains the better value per gram of leucine, and we would rather you knew that.

Orgain — Organic Vegan Protein Powder (21 g)

Rubric score

8/10

• Hypertrophy evidence8/10
• Dose & form8/10
• Label honesty9/10
• Third-party testing6/10
• Value7/10

$29.59·View on Amazon$31.987% offIn Stock

#5Best EAA optionBest EAA option — all nine essentials present at once, which is what BCAAs get wrong

BodyHealth — PerfectAmino Powder (Mixed Berry, 120 servings)

Key specs: Complete essential amino acid profile (all eight/nine EAAs) rather than BCAAs only · vegan · sugar-free · Mixed Berry · 120 servings per container

Check price on Amazon

Pros

• A complete EAA profile is the correct version of the amino acid idea — muscle protein synthesis needs all nine essentials present together, which is exactly why BCAA products underdeliver
• Free-form aminos need no digestion, which is the one real advantage over whole protein for fasted or appetite-limited training
• Sugar-free and vegan, so it fits a low-carb or dairy-free approach without adding calories
• 120 servings per container is a long supply, which softens the per-serving cost somewhat

Cons

• By far the most expensive product on this page, and whole protein does the same job for a small fraction of the cost
• No meaningful hypertrophy advantage over a protein shake when total daily protein is adequate — which it should be
• Flavored amino powders rely on sweeteners and flavorings some readers would rather avoid

Who this one is for

For the niche where free-form aminos genuinely beat whole protein: training fasted, an appetite that cannot handle food around sessions, or a medical reason to keep protein volume low. For almost everyone else this is an expensive way to buy what a protein shake delivers for a fraction of the price, and we would rather you spent the money on food.

BodyHealth — PerfectAmino Powder (Mixed Berry, 120 servings)

Rubric score

7.4/10

• Hypertrophy evidence6/10
• Dose & form9/10
• Label honesty9/10
• Third-party testing6/10
• Value3/10

Check price on Amazon

#6Best for correcting a real deficiencyBest for correcting a real deficiency — the one nutrient gap that genuinely affects muscle function

Sports Research — Vitamin D3 with Coconut Oil (5,000 IU)

Key specs: 5,000 IU vitamin D3 per softgel in organic coconut oil · 360-count bottle · single active ingredient · fat-based carrier for absorption of a fat-soluble vitamin

$18.95·View on AmazonIn Stock

Pros

• Vitamin D deficiency is genuinely common in people who train indoors or live at higher latitudes, and low status is associated with reduced muscle function
• A fat-based softgel is the sensible delivery vehicle for a fat-soluble vitamin
• 360 softgels is roughly a year's supply at one a day, which makes it the cheapest fix on this page by a wide margin
• Single-ingredient label with no proprietary 'bone and muscle complex' padding

Cons

• Only helps if you are actually low — this is deficiency correction, not a hypertrophy agent, and no reputable evidence says otherwise
• 5,000 IU is more than many people need; it is a fat-soluble vitamin and excessive long-term intake is not harmless, so testing beats guessing
• No K2 in this formulation, which some readers prefer alongside higher-dose D3 — see our vitamin D roundup for a combined option

Who this one is for

For the lifter who trains indoors, lives at a northern latitude, covers up in the sun, or has had a low vitamin D result on a blood test. The honest framing: correcting a deficiency helps muscle function, while topping up someone already replete does nothing for growth. Get tested rather than guessing, and do not take this as a growth supplement — it is a gap-filler.

Sports Research — Vitamin D3 with Coconut Oil (5,000 IU)

Rubric score

7.2/10

• Hypertrophy evidence5/10
• Dose & form8/10
• Label honesty9/10
• Third-party testing7/10
• Value10/10

$18.95·View on AmazonIn Stock

Frequently asked questions