Struggling to gain healthy weight or build lean muscle despite eating more? You’re not alone. For hardgainers and fitness enthusiasts with fast metabolisms, simply increasing food intake often isn’t enough. That’s where weight gainer supplements come in — calorie-dense formulas designed to fuel muscle growth, enhance recovery, and help you hit your daily calorie and protein targets with ease. Whether you’re looking to bulk up for athletic performance or overcome an underweight challenge, this year’s top-rated mass gainers deliver powerful nutrition backed by science and trusted brands. We’ve reviewed the best weight gainers of 2025 based on ingredients, effectiveness, digestibility, and value — so you can find the perfect fit for your goals.
Top Weight Gainers Chosen by Nutritional World: Expert-Approved for Maximum Results
The table below lists all weight gainer supplements chosen by the nutritional world with in depth research with experts.
| Product (link) | Key Ingredients | Product Image | Price (PKR) | Size | Dietary Notes | Benefits / Usage |
| Optimum Nutrition Serious Mass – 6 lb | ~1,250 calories; 50 g blended protein (whey concentrate, casein, egg) and 250+ g complex carbs (maltodextrin) per serving; plus creatine, glutamine & 25 vitamins/minerals. | ₨ 9,400 | 6 lb | Contains milk and egg (not vegan; not lactose-free; contains wheat/gluten). | High-calorie formula for “hardgainers” to boost muscle mass; Use: Mix 2 scoops with water or milk, 1–2 times daily (e.g. after workouts or between meals). | |
| Optimum Nutrition Serious Mass – 12 lb | Same high-calorie formula as the 6lb tub above: 50 g multi-source protein, 250+ g carbs, added creatine, glutamine and vitamins (larger size). | ₨ 14,500 | 12 lb | Contains milk and egg; not suitable for vegans or the lactose intolerant; contains gluten. | Designed to promote weight gain in those who struggle to eat enough; Use: 2 scoops after workouts or between meals for additional calories. | |
| Kevin Levrone Anabolic Mass – 7 kg | ~1,300 calories; ~55 g protein (5-source blend) and 230 g carbohydrates per serving; enriched with creatine monohydrate and L-glutamine, plus a full spectrum of vitamins & minerals. | ₨ 25,800 | 7 kg | Contains milk (whey, casein); vegetarian-friendly but not lactose-free. | Supports rapid mass and strength gains for athletes; Use: ~4 scoops in 500 ml water or milk after training (or split into smaller servings throughout the day). | |
| Kevin Levrone Anabolic Mass – 3 kg | Same formula as the 7kg above – ~55 g multi-source protein, 230 g carbs, plus creatine and glutamine per serving – in a smaller 3kg tub. | ₨ 14,700 | 3 kg | Contains milk (whey, casein); not vegan/lactose-free. | High-calorie gainer for muscle size and weight gain; Use: 4 scoops post-workout or between meals (provides one full serving of ~1,300 kcal). | |
| Nutrex Research Mass Infusion – 12 lb | ~50 g protein from fast & slow sources, ~200 g carbs (primarily maltodextrin) per serving; also includes healthy fats (MCT oils) and fiber for sustained energy. | ₨ 23,600 | 12 lb | Contains milk (whey, casein); not vegan or lactose-free. | High-calorie mass gainer to help pack on weight; Use: Mix 4 scoops with 16 oz water or milk. Take 1–3 servings per day depending on calorie needs. | |
| Russian Bear 10000 Weight Gainer – 15 lb | Multi-source protein (whey, casein, egg) and complex carb blend; plus an “Anabolic Growth Blend” with creatine monohydrate, OKG (ornithine-alpha-ketoglutarate), colostrum, and an herbal extract mix (includes tribulus terrestris, etc.). | ₨ 24,000 | 15 lb | Contains milk and egg; not vegan or lactose-free. | Ultra-high-calorie gainer for extreme mass gains (famous 10,000 kcal regimen); includes anabolic and appetite stimulants. Use: Mix 4 scoops with milk, 1–2× daily. | |
| ELEV Mass Matrix – 1 kg | Balanced macro blend – multiple protein sources (whey concentrate, casein) plus complex carbs and healthy fats. (Approximately 700 kcal, ~30 g protein per serving based on label.) | ₨ 8,212 | 1 kg | Contains milk; not vegan/lactose-free. | Designed for gradual, steady weight gain. Convenient smaller size for beginners. Use: e.g. 2 scoops between meals and 2 scoops post-workout to increase daily calories. | |
| ELEV Mass Matrix – 3 kg | Same formula as the 1kg above – multi-source proteins, complex carbs (e.g. oat, maltodextrin) and MCT fats – providing a ~700 kcal serving for mass gain. | ₨ 14,737 | 3 kg | Contains milk; not vegan/lactose-free. | Larger tub for extended use. Supports lean muscle gain with a balanced nutrient profile. Use: 2–4 scoops per shake; 1–2 shakes per day between regular meals. | |
| Pro Supps IncrediBulk – 6 lb | 1,230 kcal per serving; 50 g protein (whey concentrate + casein), 250 g carbs, plus added MCT oil and 3 g creatine monohydrate (fiber-rich to aid digestion). | ₨ 16,500 | 6 lb | Contains milk (whey, casein) and soy; not vegan. | One of the highest-calorie gainers to rapidly add mass. Use: 2 scoops (1 serving) post-workout or anytime to meet extreme calorie needs (can be halved for smaller doses). | |
| NAPALM® Mass – 3 kg | Whey protein concentrate + maltodextrin carb blend; fortified with creatine, taurine, HMB, and a muscle-building matrix (includes D-Aspartic Acid, L-arginine, L-ornithine, fenugreek and tribulus extracts). | ₨ 17,175 | 3 kg | Contains milk; not vegan/lactose-free. | Combines mass gain with strength and testosterone support (DAA & tribulus). Use: 4 scoops (~1 serving) post-workout to enhance muscle growth and recovery. | |
| Ronnie Coleman King Mass XXL – 6 lb | ~60 g protein (whey concentrate, milk isolate), ~180 g carbs per full serving; includes creatine monohydrate and MCT fats for extra calories (≈1,000 kcal). | ₨ 18,320 | 6 lb | Contains milk; not vegan/lactose-free. | Helps pack on muscle mass and support recovery. Use: Mix 2–4 scoops with ~20 oz water or milk. Take 1 serving after workouts (or half servings between meals). | |
| Ronnie Coleman King Mass XL – 15 lb | Same formula as King Mass above – high-protein mass gainer (~60 g protein, 180 g carbs per serving) with added creatine and MCTs – in a large 15lb bag for more servings. | ₨ 32,120 | 15 lb | Contains milk; not vegan/lactose-free. | Bulk 15lb supply for extended use. Supports steady weight gain and post-workout recovery. Use: 1 full serving daily (may be divided into two half-servings) for best results. | |
| Kevin Levrone Anabolic Double Impact – 2 kg | Dual-phase protein blend: whey protein isolate + micellar casein (no added carbs). Low-sugar, high-protein formula designed for lean muscle growth (not a typical high-calorie gainer). | ₨ 19,360 | 2 kg | Contains milk (whey, casein); not vegan (but low in lactose). | Provides fast & slow proteins to support muscle recovery and growth over several hours. Use: 1 scoop after workouts and 1 scoop before bed for sustained amino release. | |
| Kevin Levrone Gold Super Mass – 7 kg | Premium all-in-one mass gainer: 5-type protein matrix (whey concentrate, isolate, hydrolysate, casein, egg) with complex carbs; plus added creatine, glutamine, BCAAs, and MCT oils for extra calories (comprehensive muscle-building formula). | ₨ 33,750 | 7 kg | Contains milk and egg; not vegan/lactose-free. | Ultra-high calorie gainer with additional growth nutrients to maximize muscle size and strength. Use: 1 serving daily post-workout or split into 2 smaller shakes during the day. | |
| Kevin Levrone Gold Lean Mass – 3 kg | Lean gainer: ~676 kcal, 70 g protein (whey isolate, concentrate, hydrolysate), 72 g carbs, 12 g fat per serving. Also 5 g creatine, plus natural anabolic support: 1 g D-Aspartic Acid, 1 g tribulus, 1 g fenugreek extract, plus CLA and MCT oils. | ₨ 18,560 | 3 kg | Contains milk; not vegan/lactose-free. | Supports lean muscle gains with added testosterone boosters and anti-catabolics. Use: 1 serving after training (4 scoops ~200 g); due to potency, use once daily or as advised. | |
| BAD ASS Mass – 3 kg | 5-protein blend (whey concentrate, isolate, hydrolyzed whey, micellar casein, egg) and complex carbs (maltodextrin, waxy maize); fortified with creatine monohydrate, L-glutamine and BCAA aminos for muscle recovery. | ₨ 17,200 | 3 kg | Contains milk (and egg); not suitable for vegans or those with milk allergies. | Aims to rapidly increase muscle mass and strength. Use: Mix 4 scoops in water or milk (1 serving) and consume 1–2 times per day between meals or post-workout. | |
| SKULL LABS Ripped Mass – 3 kg | Whey protein concentrate + carbohydrate matrix (maltodextrin, etc.), delivering high protein and carbs per shake; enhanced with 5 g creatine monohydrate and 3 g L-glutamine per serving to boost strength and recovery. | ₨ 14,240 | 3 kg | Contains milk; not vegan/lactose-free. | Formulated for lean mass gain during intense training – helps support muscle growth and post-workout recovery without excessive sugar or fat. Use: 1 shake after training. | |
| Atomic Mass Gainer – 3 kg | High-calorie weight gainer with whey protein and complex carbs (exact nutritional breakdown not provided on site). Intended to provide a calorie-dense shake for mass gain, likely with added creatine and amino acids for muscle support. | ₨ 11,100 | 3 kg | Contains milk (dairy); not vegan/lactose-free. | Helps maximize muscle mass and body weight when used in conjunction with resistance training. Use: 2–3 shakes daily or as needed to increase daily calorie and protein intake. | |
| Mutant Mass Extreme 2500 – 7 lb | ~1,270 calories, ~46–50 g protein (multi-source blend), and ~254 g carbs per serving. Features the Mutant Mass 10-component blend: whey, casein & egg proteins, waxy maize & maltodextrin carbs, plus a lipid mix (MCTs, avocado, flaxseed oils) for extra calories. | ₨ 11,600 | 7 lb | Contains milk (whey, casein, etc.); not vegan/lactose-free. | Designed for “extreme” hardgainers to rapidly add size. Use: 1 serving (4 scoops) post-workout or split half-servings throughout the day for continuous calorie supply. | |
| BPI Sports Bulk Muscle XL – 5.7 lbs | Lean mass gainer with ~53 g protein (whey concentrate, milk isolate) and ~77 g carbs per serving (~610 kcal). Contains fiber and essential fatty acids to support muscle without excessive sugar. | ₨ 18,240 | 5.7 lb | Contains milk (whey, milk protein); not vegan/lactose-free. | Supports steady, lean muscle growth (high protein-to-carb ratio). Use: 1–2 shakes daily (e.g. after exercise and between meals) to add quality calories for muscle gain. | |
| Rule 1 R1 LBS Mass Gainer – 6 lb | ~1,000 kcal gainer featuring a dual whey protein blend (~40 g protein per serving) and 100+ g complex carbs (maltodextrin, rice bran, etc.), plus added creatine monohydrate and medium-chain triglycerides (MCTs) for extra energy. | ₨ 10,560 | 6 lb | Contains milk (whey); not vegan/lactose-free. | High-quality mass gainer for gradual weight increase without bloating. Use: 1 full serving (e.g. 4 scoops) daily – can be split into two half-servings post-workout and between meals. | |
| MuscleTech Mass-Tech Extreme 2000 – 6 lb | Ultra high-calorie shake: ~2,060 calories per serving (mixed in water), with ~80 g protein (multi-phase whey/casein blend) and ~400 g carbs, plus 10 g creatine and added BCAAs for muscle building. | ₨ 19,360 | 6 lb | Contains milk (dairy proteins); not vegan/lactose-free. | Intended for extreme hardgainers who need thousands of extra calories. Use: One full serving (5–6 scoops) post-workout or split into two smaller shakes daily. | |
| MuscleTech Mass-Tech Extreme 2000 – 7 lb | Same Extreme 2000 formula as the 6lb above (≈2,000 kcal, ~80 g protein, 400 g carbs, 10 g creatine per serving) – packaged in a larger size for more servings. | ₨ 32,000 | 7 lb | Contains milk; not vegan/lactose-free. | Highest-calorie MuscleTech gainer for accelerated weight gain. Use: 1 serving daily (as a post-workout or meal replacement shake) to maximize daily calorie intake. | |
| MuscleTech Mass-Tech Elite – 7 lb | ~1,000 calories per serving, with 63 g protein (multi-source blend), 132–140 g carbs, plus 10 g creatine and 6.5 g BCAAs. Enhanced with a multi-phase carb system for steady nutrient release. | ₨ 18,000 | 7 lb | Contains milk; not vegan/lactose-free. | Advanced mass gainer to promote muscle size and strength. Use: Take 1 serving after workouts for optimal recovery, or as a high-protein meal replacement. | |
| MuscleTech Mass-Tech Performance – 7 lb | ~840–1,000 kcal per serving; 63 g protein, 132–168 g carbs, 10 g creatine, plus 13 g BCAAs and enzyme blend. Classic Mass-Tech formula for steady bulking. | ₨ 10,200 | 7 lb | Contains milk; not vegan/lactose-free. | Helps individuals struggling to gain weight and strength. Use: Mix 5 scoops with water or milk (1 serving) and consume daily (post-workout or split AM/PM) for best results. | |
| MuscleTech Premium Mass Gainer – 12 lb | ~1,270 calories, 53 g protein (primarily whey concentrate), ~260 g carbs per serving; includes 3 g creatine and a full array of vitamins & minerals. Basic high-calorie gainer formula without added specialty ingredients. | ₨ 16,960 | 12 lb | Contains milk (whey); not vegan/lactose-free. | Simple, calorie-dense mass gainer to increase daily intake for muscle growth. Use: 1 serving daily post-workout or as a meal replacement to boost overall calories and protein. | |
| MuscleTech Premium Mass Gainer – 20 lb | Same formula as the 12lb above (53 g protein, 260 g carbs ~ per serving) in a larger 20lb bulk bag for cost-effective long-term use. | ₨ 16,880 | 20 lb | Contains milk; not vegan/lactose-free. | Large size offers better value for high-volume users. Supports steady weight gain when used consistently. Use: 1 serving daily (may split into half-servings if needed). | |
| MusclePharm Combat XL Mass Gainer – 6 lb | ~1,270 calories; 50 g protein from 4 sources (whey isolate, concentrate, micellar casein, egg albumen), 252 g carbs including whole-food sources (e.g. sweet potato, quinoa), plus a healthy fat blend (MCTs, flax & chia seeds). | ₨ 15,510 | 6 lb | Contains milk and egg; not vegan/lactose-free. | High-quality mass gainer with whole-food-based carbs for sustained energy release. Use: 1 serving (4 scoops) daily – ideal after workouts or divided between post-workout and between meals. | |
| Applied Nutrition Critical Mass (Original) – 6 kg | ~58.8 g protein (whey concentrate & milk protein), 250 g complex carbs (with oats & waxy maize) per serving. Enriched with Essential Fatty Acids, MCTs, CLA and L-Glutamine. Halal-certified formula. | ₨ 24,320 | 6 kg | Halal certified; Contains milk (vegetarian-friendly; not lactose-free). | Designed for hardgainers to increase mass effectively. Use: Mix ~2.5 scoops with water or milk per serving. Take 1–2 servings daily (e.g. post-workout and/or between meals). | |
| Applied Nutrition Critical Mass – 2.4 kg | Same Halal-certified Critical Mass formula as above – 58.8 g protein, 250 g carbs, added MCTs/CLA/Glutamine – available in a smaller 2.4kg tub (approx. 16 servings). | ₨ 9,600 | 2.4 kg | Halal certified; Contains milk (whey). | Smaller size offers an easier way to try the product or for shorter-term use. Provides the same mass gain benefits as the 6kg version; use 2.5 scoops per serving as needed (1–2× daily). | |
| Big Extreme Weight Gainer – 3 kg | Uses premium WPC85 whey protein concentrate as the protein source, combined with high-GI carbohydrates (maltodextrin, dextrose) to create a calorie-dense, easily digestible mass gainer shake. | ₨ 13,125 | 3 kg | Contains milk (whey); not vegan/lactose-free. | High-GI carb content helps spike insulin for muscle growth. Aimed at individuals looking to increase weight quickly. Use: 1–2 shakes per day (especially post-workout) to add extra calories. | |
| MuscleTech Cell-Tech (Hardgainer Creatine) – 6 lb | Creatine-based muscle volumizer: 10 g creatine (blend of monohydrate + HCl) and 75 g fast-acting carbs (dextrose) per 2-scoop serving, plus 200 mg alpha lipoic acid (ALA) to enhance uptake. Also includes taurine and BCAAs. | ₨ 11,360 | ~6 lb | Stimulant-free and dairy-free (lactose-free); suitable for vegetarians. | Drives rapid creatine absorption and muscle ATP replenishment post-workout via insulin spike. Use: Take 2 scoops immediately after exercise (mix with 12–16 oz water). | |
| BSN True Mass – 5.75 lb | ~700 kcal per serving; 46 g protein from BSN’s ultra-premium blend (whey, casein, egg) and ~85–90 g carbs, plus 14 g fat (including MCTs). Includes 6 g fiber for digestion and medium-chain triglycerides for added energy. | ₨ 11,840 | 5.75 lb | Contains milk and egg; not vegan or lactose-free. | 2:1 carb-to-protein ratio gainer for lean mass with renowned BSN flavor. Use: Mix 3 scoops (1 serving) with ~16 oz cold water or milk. Consume post-workout or as needed to meet calorie goals. |
Conclusion: Which Weight Gainer Is Right for You?
Choosing the best weight gainer ultimately comes down to your individual goals, dietary preferences, and tolerance. For rapid mass gain and maximum calories, products like ON Serious Mass, Kevin Levrone Anabolic Mass, and Mutant Mass Extreme 2500 are hard to beat.
If you prefer a leaner bulk with higher protein-to-carb ratios, options like Applied Nutrition Critical Mass or BPI Bulk Muscle XL offer a cleaner profile. And for those with digestive sensitivities, look for mass gainers with digestive enzymes or whole-food carbs like MusclePharm Combat XL.
No matter your level, these top weight gainers of the year can provide the nutritional boost you need — just remember, consistent training and a smart meal plan are key to turning calories into muscle, not fat.
