10 Best Supplements To Gain Muscle Mass in 2026

With 24 grams of protein per scoop from a blend of whey isolate and concentrate, this formula delivers a reliable dose to support muscle synthesis after a workout or between meals. It suits someone looking for a straightforward, versatile protein powder from a long-established brand, especially if you value the safety of banned-substance testing and an instantized mix that won’t leave lumps in your shaker.

Optimum Nutrition Gold Standard Whey uses a blend of whey protein isolate and concentrate, while Dymatize ISO100 is a 100% whey isolate. The blend is a versatile choice for most users, but those seeking only isolate might consider the alternative.

An 18.6% strength boost in just 10 days is the specific claim, offering a potential solution for lifters who have stalled on their major lifts. This unflavored creatine monohydrate powder comes from MuscleTech, a brand that funds university trials and holds U.S. patents. Their micronized formula is designed to mix easily, so you can stir it into water or a shake without leaving a gritty residue at the bottom of your glass.

The trade-off is in the serving count. At 80 servings, this tub will last a dedicated user just over two and a half months on a standard 5g daily dose. For someone prioritizing a longer supply between orders, Thorne Creatine offers 90 servings in a similarly pure, unflavored format. This MuscleTech option is about trusting the specific clinical claims behind the brand, not necessarily maximizing the time between refills.

With 25 grams of protein broken down into small peptides, this powder gets amino acids into your system quickly after a workout. That’s the core of its design. It suits anyone who needs a clean, fast-absorbing protein source, from gym veterans to those just starting, especially if you’re tracking macros closely and want minimal fat and sugar. The filtration process removes a lot of the extras, leaving you with a straightforward tool for muscle support.

Dymatize ISO100 prioritizes rapid absorption over serving volume, with a 1.3-pound container offering 20 servings. For those using protein daily, this means more frequent repurchases compared to a heavier container like the 2.0-pound Optimum Nutrition Gold Standard Whey. It’s formulated for efficient muscle support, not for high-calorie bulking. The Dymatize Super Mass Gainer, by contrast, provides a macro profile with significantly more calories and carbs per serving.

With 1,280 calories per serving, this mass gainer is designed for the individual who struggles to eat enough to support significant muscle growth. It combines a hefty 52 grams of protein from whey and casein, which provides both immediate and sustained amino acid delivery. The formula also includes a gram of creatine and a suite of vitamins, aiming to cover multiple nutritional bases in one shake. It’s a straightforward solution for packing in calories and nutrients when whole food intake falls short.

Each serving packs 1,280 calories and 245 grams of carbs, so it’s designed for a serious mass-gaining phase rather than casual supplementation. This calorie-dense formula provides a substantial energy boost for those aiming to add size, but it requires significant dietary space to accommodate. The product combines fast- and slow-digesting proteins like whey and casein for sustained muscle fueling.

The combination of creatine monohydrate and HMB is the core of this supplement, with the brand claiming it yields greater lean body mass and strength gains than creatine alone. This makes it a focused choice for lifters whose primary goal is adding muscle without the puffiness sometimes associated with standard creatine. The emphasis on superior absorption and a clean, transparent formula aligns with a user who scrutinizes labels and prefers supplements without unnecessary fillers or sweeteners.

You will be reordering this product more frequently, as each container holds 30 servings. That is fewer servings than options like the MuscleTech Creatine Monohydrate Powder, which provides 80 servings in a package of similar size. This is not a bulk-buy product. It is a premium, targeted formula for users who prioritize ingredient quality and specific physiological outcomes, like lean gains, over getting the maximum number of servings for their money.

With over 1,200 calories in a two-scoop serving, this gainer is built for one thing: adding size when food alone falls short. The 250 grams of carbohydrates are the engine here, designed to replenish glycogen and fuel the intense training required for mass. It suits someone in a dedicated bulking phase who struggles to eat enough and needs the convenience of a calorie-dense shake. The added vitamins and minerals are a thoughtful touch for general nutrition, which can get overlooked when chasing calories.

The high carbohydrate content is the main consideration. While fantastic for energy, that load is less ideal if you are sensitive to sugar spikes or following a stricter macro split. Compared to a product like the Transparent Labs Mass Gainer, which lists 110 grams of carbs, this is a decidedly high-carb option. The 6-pound container is also relatively compact, so you will work through it faster than the 15-pound jugs from brands like Mutant Mass. Factor that into your value calculation.

NSF Certified for Sport means this creatine is tested for the absence of nearly 300 banned substances, a critical feature for competitive athletes or anyone subject to rigorous drug testing. The 90-serving supply at 5 grams per dose provides a straightforward, long-lasting protocol for supporting lean mass and exercise capacity. This product suits users who prioritize third-party verification and a brand with documented trust among clinical practitioners and sports organizations. It’s a pick for those who want to eliminate guesswork about purity from their supplement stack.

This product has a relatively large container footprint compared to other creatine monohydrates like the BSN Micronized Creatine Monohydrate, which occupies less shelf space. The one-pound weight also makes it slightly less portable than some options. For someone seeking a basic creatine without the specific NSF certification, the MuscleTech Creatine Monohydrate Powder offers a similar micronized formula in a more compact package. Thorne’s version justifies its premium positioning through its rigorous certification process and brand reputation.

Delivering 770 calories per serving from nutrient-dense sources like oat flour and sweet potato powder, this mass gainer is designed to support lean mass and caloric surplus goals. For those finding it hard to consume enough whole food for muscle growth, the high-calorie formula provides a practical solution. The 53 grams of grass-fed whey protein offers a complete amino acid profile to aid muscle protein synthesis and recovery. Slow-digesting complex carbohydrates from the whole food sources help fuel workouts and stabilize energy levels throughout the day.

This product is defined by its sheer volume. At 7.1 pounds and packing over 110 grams of carbs per serving, it is not a subtle choice. For someone who simply needs extra protein without a massive calorie load, a straightforward whey protein like Optimum Nutrition Gold Standard would be a more targeted option. This mass gainer is designed for a specific phase of building, not for everyday maintenance.

A 5-gram serving of micronized creatine monohydrate is the established standard for supporting muscle and strength gains, making this a straightforward choice for anyone focused on foundational supplementation. The micronized form dissolves quickly, so you can stir it into a pre-workout drink without dealing with gritty residue. This product suits lifters who want a no-frills, single-ingredient formula from a recognized brand, without extra compounds or flavors complicating the mix.

The container holds 60 servings, so you will be refilling it more often than with a bulk option like MuscleTech Creatine Monohydrate Powder, which offers 80 servings in a similarly sized tub. The packaging note about heat sensitivity during delivery is a minor but real logistical point to consider. For a pure creatine monohydrate powder that prioritizes mixability and a standard dose, this is a solid performer. Those seeking the maximum number of servings per purchase might look at larger containers.

Mutant Mass delivers 1,100 calories and 56 grams of protein per serving, making it a substantial tool for anyone needing to significantly increase their daily intake. Its formula includes a mix of whey isolate, concentrate, and casein, along with carbohydrates from sources like barley and sweet potato. This combination provides a high-calorie foundation for supporting weight-gain efforts alongside a demanding training schedule.

Each serving also contains 192 grams of carbohydrates, which contributes to the product’s high calorie count and substantial volume. When compared to a smaller container like the 2-pound Optimum Nutrition Gold Standard Whey, the 15-pound Mutant Mass package is designed for regular, long-term use. The triple chocolate flavor aims to make consuming such a large serving more palatable over time.