
As an affiliate, we earn from qualifying purchases. Price may vary.
Meet the Forzagen Lean Gainer Premium Mass Builder by Forzagen — a product built with performance in mind.
When regular meals aren't cutting it for your calorie surplus, this steps in.
Forzagen mass gainer supplement designed for daily use.
Can support fat-loss phases by helping maintain adequate protein levels.
Uses animal-derived protein sources for a complete amino acid profile.
A premium-tier product for those willing to invest in top-shelf formulations.
Typically ranges from $56–$65 — a competitive price point for the US market.
Worth considering if you're comparing options in the mass gainer category.
The brand behind this product — their story and what they stand for.
US-based supplement brand offering mass gainer and weight gain products.
Understand which fitness goals this product is best suited for.
Fat Loss
Helps maintain lean muscle during a caloric deficit. Pair with a structured workout and nutrition plan.
Muscle Gain
Supports muscle growth and recovery when combined with resistance training and a protein-rich diet.
Women's Fitness
Formulated keeping women's nutritional needs in mind — macro-balanced and easy to incorporate.
Track how the price has changed over the last 90 days on Amazon.com.
Step-by-step usage instructions so you get the most out of every serving.
Mix 1–2 scoops with 300–400ml of milk for a calorie-dense shake.
Consume between meals or post-workout to hit your caloric surplus.
Start with 1 scoop to assess tolerance before moving to the full serving.
Track your total daily calories. A mass gainer works best when it fills a genuine calorie gap — not as a meal replacement.
See how this product compares to similar options in its category.
| This Product | Optimum Nutrition | Animal | EPN Supplements | |
|---|---|---|---|---|
| Price | $69.90 | $94.40 | $43.94 | $39.99 |
| Per Serving | - | - | - | - |
| Servings | — | — |
Common questions about this product — answered clearly and honestly.
This product is Non-Veg. It may contain animal-derived ingredients — check the label for specifics.
As of our last check, this product does not have publicly listed third-party lab testing. Look for brands that offer Trustified, NABL, or Labdoor certifications for verified purity.
In-depth guides and articles to help you make a more informed choice.
Best Mass Gainer Powder 2026 — Calories Per Dollar Ranked
ON Serious Mass, BSN True Mass, and Dymatize Super Mass Gainer compared. Who should actually use a mass gainer, and which gives the most calories per dollar?
8 min read
Beginner GuideBest Supplement Stack for Beginners 2026 — The 4-Step System That Works
Most beginners waste money on supplements they do not need. Start with these four: whey protein, creatine, Vitamin D3, and omega-3. Everything else can wait.
10 min read
| — |
| — |
| Lab Tested | ✗ | ✓ | ✓ | ✗ |
| Rating | 4.4 ★ | 4.6 ★ | 4.5 ★ | 4.6 ★ |

Animal
Animal M-Stak - Muscle Builder and Anabolic Mass Gainer Supplement for Bodybuilding - Lean Muscle Growth, Amino Complex and Pre Workout Energy, 21 Packs