---
product_id: 363511190
title: "Lean Gainer Premium Mass Builder | Mass Gainer Protein Powder for Men & Women | High Calorie Protein, Weight Gain, Bulk, Muscle Building Supplement | Vanilla, 8 lbs. (11 Servings)"
brand: "forzagen"
price: "¥19274"
currency: JPY
in_stock: true
reviews_count: 8
category: "Forzagen"
url: https://www.desertcart.jp/products/363511190-lean-gainer-premium-mass-builder-mass-gainer-protein-powder-men
store_origin: JP
region: Japan
---

# 250g natural carbs blend 50g protein for muscle gain 1260 calories per serving Lean Gainer Premium Mass Builder | Mass Gainer Protein Powder for Men & Women | High Calorie Protein, Weight Gain, Bulk, Muscle Building Supplement | Vanilla, 8 lbs. (11 Servings)

**Brand:** forzagen
**Price:** ¥19274
**Availability:** ✅ In Stock

## Summary

> 💥 Bulk up smart, fuel hard, and never miss a rep with Forzagen Lean Gainer!

## Quick Answers

- **What is this?** Lean Gainer Premium Mass Builder | Mass Gainer Protein Powder for Men & Women | High Calorie Protein, Weight Gain, Bulk, Muscle Building Supplement | Vanilla, 8 lbs. (11 Servings) by forzagen
- **How much does it cost?** ¥19274 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/363511190-lean-gainer-premium-mass-builder-mass-gainer-protein-powder-men)

## Best For

- forzagen enthusiasts

## Why This Product

- Trusted forzagen brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Clean Carb Complex:** 250 grams of natural carbs from oats, yams & sweet potatoes for sustained energy and optimal performance.
- • **Muscle-First Protein:** 50 grams of premium protein to accelerate lean muscle growth and recovery.
- • **Power-Packed Calories:** Fuel your gains with a massive 1260 calories per serving, designed for serious bulk-up goals.
- • **Versatile Shake Formula:** Mix 4 scoops post-workout or anytime to maintain energy and maximize muscle building.
- • **Deliciously Natural Flavors:** Enjoy every shake with creamy vanilla or rich Dutch chocolate—nutrition that tastes as good as it works.

## Overview

Forzagen Lean Gainer Premium Mass Builder is an 8 lb high-calorie protein powder delivering 1260 calories, 50g protein, and 250g natural carbs per serving. Crafted for men and women aiming for serious muscle mass and weight gain, it combines premium ingredients like oats, yams, and sweet potatoes with essential nutrients. Available in tasty vanilla and Dutch chocolate flavors, it supports flexible consumption as a post-workout or anytime energy shake, making it a top choice for health-conscious athletes seeking measurable bulk and strength gains.

## Description

Buy Forzagen Lean Gainer Premium Mass Builder | Mass Gainer Protein Powder for Men & Women | High Calorie Protein, Weight Gain, Bulk, Muscle Building Supplement | Vanilla, 8 lbs. (11 Servings) on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Tastes great - I have been using this for a year. Twice a day. It tastes great and has essential vitamins and minerals.
Review: Excellent source of protein 🙋‍♀️ - I’m on my second bag of this protein powder and I noticed a big difference in my energy levels and I get all of the vitamins that am supposed to be taking in this product! I’m going to be using this for a very long time so I can’t thank you enough for having an amazing well tested product 🙋‍♀️ sincerely appreciate johna R Michigan !

## Features

- 🥇 HIGH CALORIE SUPPLEMENT: Each serving of our bulk protein powder provides an impressive 1260 calories, packed with 50g of protein and 250g of carbohydrates from natural sources like oats, yams, and sweet potatoes, tailored for those looking for serious results.
- 💪 EXTREME MUSCLE MASS GAINER: Specifically designed for athletes, and men & women who aim to increase their size and strength, Forzagen lean muscle mass gainer supplement supports your muscle building goals with a potent, nutrient-rich formula that delivers optimum and measurable gains.
- 🌾 PREMIUM INGREDIENTS: Featuring a revolutionary blend of high-quality proteins, natural carbohydrates, essential fats, and vital nutrients, our high calorie protein powder ensures a balanced diet and optimal performance for health-conscious athletes, making it one of the best protein powder for weight gain and muscle mass building.
- 🔥 FLEXIBLE CONSUMPTION: Perfect as a post-workout recovery shake or a high-protein supplement, mix 4 scoops of our weight gainer protein powder to effectively maintain energy levels and support muscle growth throughout your rigorous training regimen.
- 😋 TASTY FLAVOR OPTIONS: Available in Dutch Chocolate and Creamy Vanilla, our muscle gainer for men and women offers delicious natural flavors, making your muscle-gaining journey not only effective but also enjoyable with each shake.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09FCSBYDG |
| ASIN  | B09FCSBYDG |
| Age Range Description | Adult |
| Best Sellers Rank | #25,634 in Health & Household ( See Top 100 in Health & Household ) #17 in Sports Nutrition Weight Gainers |
| Brand Name | Forzagen |
| Customer Reviews | 4.4 4.4 out of 5 stars (460) |
| Date First Available  | March 21, 2022 |
| Flavor | Vanilla |
| Item Nype Name | Lean Muscle Mass Gainer Protein Powder |
| Item Weight | 8 Pounds |
| Item model number  | LG-8-CV |
| Manufacturer | Forzagen |
| Manufacturer  | Forzagen |
| Manufacturer Part Number | Lean Gainer |
| Model Number | LG-8-CV |
| Number of Items | 1 |
| Package Dimensions  | 11.5 x 7.95 x 7.91 inches; 8 Pounds |
| Total Servings Per Container | 11 |
| Unit Count | 128.0 Ounce |

## Product Details

- **Brand:** Forzagen
- **Flavor:** Vanilla
- **Item Weight:** 8 Pounds
- **Servings per Container:** 11
- **Unit Count:** 128.0 Ounce

## Images

![Lean Gainer Premium Mass Builder | Mass Gainer Protein Powder for Men & Women | High Calorie Protein, Weight Gain, Bulk, Muscle Building Supplement | Vanilla, 8 lbs. (11 Servings) - Image 1](https://m.media-amazon.com/images/I/71uigPgb-eL.jpg)

## Available Options

This product comes in different **Size, Flavor** options.

## Questions & Answers

**Q: Does it have sugar?**
A: It clearly states there are 37 grams of sugar in it.

**Q: What is the total sugar content?**
A: To my knowledge there is no sugar added!!!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Tastes great
*by B***N on January 31, 2026*

I have been using this for a year. Twice a day. It tastes great and has essential vitamins and minerals.

### ⭐⭐⭐⭐⭐ Excellent source of protein 🙋‍♀️
*by J***R on February 22, 2026*

I’m on my second bag of this protein powder and I noticed a big difference in my energy levels and I get all of the vitamins that am supposed to be taking in this product! I’m going to be using this for a very long time so I can’t thank you enough for having an amazing well tested product 🙋‍♀️ sincerely appreciate johna R Michigan !

### ⭐⭐⭐⭐⭐ Amazing flavor Dutch chocolate
*by J***E on January 18, 2026*

I can’t believe that it was delivered the same day I ordered it! And I absolutely love 💗 it so much it is so delicious inside of my coffee ☕️ 😻🙋‍♀️! I definitely recommend this one to anyone who wants to boost their protein intake sincerely johna R Michigan

## Frequently Bought Together

- Forzagen Lean Gainer Premium Mass Builder | Mass Gainer Protein Powder for Men & Women | High Calorie Protein, Weight Gain, Bulk, Muscle Building Supplement | Vanilla, 8 lbs. (11 Servings)
- Nutricost Creatine Monohydrate Micronized Powder 500G, 5000mg Per Serv (5g) - 100 Servings, 17.9 Oz
- Dymatize Super Mass Gainer Protein Powder, Gourmet Vanilla, 52g Protein, 1g Creatine, 1280 Calories, 10.7g BCAAs, 245g Carbs, Contains Whey Protein Powder, Isolate, and Casein, Total 8 Servings

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-04-24*