Best Supplements for Muscle Growth of 2026

There's a specific person this bottle is for: someone who trains at a commercial gym with no shelf for a tub, travels most weeks, or simply will not drink gritty water. Optimum Nutrition puts the same creatine monohydrate in capsules, so the routine becomes a couple of pills and a mouthful of water from the fountain.

The arithmetic is worth doing before you order. The label's serving is two capsules for 2.5 grams, which means four capsules to reach the five-gram dose most people aim for, and a 100-count bottle is 25 days at that rate rather than 50. The pills are on the large side too, so if you already struggle with capsules, a powder stays the better buy — the whole advantage here disappears if you dread taking them.

What you get in return is convenience that holds up: no scoop, no shaker to rinse, no flavor to get tired of, and no half-dose left at the bottom of a glass. The capsules are also Informed Choice tested for banned substances, which is the detail that matters if your job or your sport tests you. We kept a bottle in a gym bag for weeks and never once missed the tub.

If you drink your creatine cold — in water, juice or iced coffee — this is the tub to buy. Orgain's powder is the finest in this group, dispersing with a stir rather than a full shake and leaving almost no grit behind, and it's the cheapest per serving of the creatine picks here. It's also the plainest formula of the lot: creatine monohydrate and nothing else, with no dairy, soy, gluten or GMO ingredients.

The tub is 100 servings at five grams, the same three-month timeline as our top pick, and the scoop is small enough that a level measure doesn't swamp a shaker. It can clump if you dump it into cold water and stir lazily — add it to a shaker, or stir it into something warm, and it behaves. We noticed the difference most in coffee, where cheaper powders leave a film on the mug and this one doesn't.

The first thing you notice about these capsules is the size — small enough to swallow without a second glass of water and small enough to carry a few loose in a pocket. That's the practical reason this bottle works where amino powders fail, because the tub of candy-flavored drink mix is what usually goes stale at the back of the shelf.

One gram of amino acids per serving is a modest dose, and that's the trade-off: a serving is a fraction of what a protein shake delivers, so these are a top-up for days you train fasted or come in under your protein target, not a replacement for real food. We treat them as backup rather than a staple, and that framing keeps the expectations right.

Where they earn their place is the recovery side — less next-day ache, muscles feeling less beaten up after a heavy session — and the convenience is what makes that repeatable. No shaker to wash, no flavor to get sick of. Take them with water before bed and forget about them until the bottle runs low.

If creatine powder has ever left you feeling puffy, gassy and bloated, this is the bottle to look at. CON-CRET uses creatine hydrochloride rather than monohydrate, and the case for it is tolerance rather than potency: it's sold as easier on the stomach, in small capsules you take once or twice a day instead of a gritty scoop.

Parts of the label are louder than they need to be. The multipliers on solubility and concentration are the company's own comparisons, and we take them with salt. What's easier to judge is the practical side: the capsules are small, the daily count is low, and there's no mixing, no flavor, and nothing left at the bottom of the glass.

Our read is that HCl is a comfort upgrade, not a stronger creatine. Monohydrate is the form with the research behind it, and if a powder tub doesn't bother your gut, you're paying extra for convenience you don't need. If it does bother you, this is the creatine in this group to try first — go in knowing what the money is buying.

HMB is what you add when creatine is already in the routine and you want something for the other half of the problem: holding onto muscle while you eat less, or easing the soreness that piles up in a hard training block. Nutricost's bottle is the least fussy way to try it.

Two capsules give you a gram and the bottle holds 240 of them — 120 servings, roughly four months at the label's daily dose. The capsules are small enough to take alongside a creatine scoop rather than instead of one, and they taste of nothing, which is the advantage capsules have over yet another powder in the cupboard. Stacking the two is how most people here would use it.

We're honest about what HMB does: the effects are real for some and invisible for plenty, and it's the supplement in this group we're least confident you'll feel. It makes most sense if you're in a calorie deficit, new to lifting, or coming back from a layoff, where protecting lean mass is the whole goal. If you're a well-fed lifter with years of training behind you, this is the bottle to skip.

This is the only creatine in this group you can drink as an actual flavored drink, and for plenty of people that settles the whole question. Each scoop carries a full five grams of monohydrate alongside a multi-collagen blend, 10,000 micrograms of biotin, hyaluronic acid, inositol and maca.

The extras are why you'd pick this over a plain tub, and they're also why it costs more. Be clear-eyed about the division of labor: the creatine is doing the muscle work, while the collagen, biotin and hyaluronic acid are here for skin, hair and nails, and the inositol and maca are aimed somewhere else again. The biotin alone is over 33,000 percent of the daily value, which tells you how much of this formula is aimed at the beauty aisle. None of that is a problem — it's just not muscle growth, and you're paying for it.

Taste is the risk. It's sweet and heavily flavored, and it lands differently for different people: a citrus drink to some, syrupy and cloying to others. Mix the first few glasses with more water than the label suggests, and take it with food if your stomach is sensitive, because this is the busiest formula here and a reaction won't tell you which ingredient caused it.

We came back to it for one reason: a scoop you'll actually finish beats a plain tub that sits in the cupboard until it cakes. Treat the collagen and biotin as a bonus and don't expect them to do anything for your squat — the five grams of creatine is the part that counts.

Testosterone boosters are where this category's marketing runs furthest ahead of the evidence, and it's worth being clear about what's in the bottle: tongkat ali, boron, nettle root, horny goat weed and sarsaparilla. None of that is a substitute for training, sleep and enough protein, and nothing in a capsule does what a solid training block does.

Where a product like this shows up is around the edges. The effects that come through are energy through the day, better sleep, longer workouts and more drive to get to the gym in the first place — the things that decide whether you train well in week six of a program, not whether you add an inch to your arms in a month. The bottle is small enough for a wash bag, which says who it's aimed at.

It's the weakest of these picks on muscle-building evidence, and we've ranked it that way rather than dressing it up. If you're already sleeping seven hours, eating enough and lifting three times a week, a booster is the least useful money in this article; the training is doing the work and the capsule is riding along.

If you're dragging through the day — short sleep, low drive, workouts that feel like a chore — it's an inexpensive thing to test for a month, and the energy it frees up is worth more than any direct effect on muscle. Buy it for drive and consistency, not for size.