---
product_id: 181631833
title: "Eighty:20 Protein Powder Casein & Whey Blend | Fast & Slow Digesting Proteins for 6 Hours Muscle Protein Synthesis for Men & Women | Keto Friendly & Great Tasting (Vanilla Ice Cream)"
brand: "bff build fast formula"
price: "¥17244"
currency: JPY
in_stock: true
reviews_count: 8
url: https://www.desertcart.jp/products/181631833-eighty-20-protein-powder-casein-and-whey-blend-fast-slow
store_origin: JP
region: Japan
---

# 6h Muscle Synthesis 23g Protein Made in USA Eighty:20 Protein Powder Casein & Whey Blend | Fast & Slow Digesting Proteins for 6 Hours Muscle Protein Synthesis for Men & Women | Keto Friendly & Great Tasting (Vanilla Ice Cream)

**Brand:** bff build fast formula
**Price:** ¥17244
**Availability:** ✅ In Stock

## Summary

> 🏋️‍♂️ Elevate Your Protein Game with Eighty:20!

## Quick Answers

- **What is this?** Eighty:20 Protein Powder Casein & Whey Blend | Fast & Slow Digesting Proteins for 6 Hours Muscle Protein Synthesis for Men & Women | Keto Friendly & Great Tasting (Vanilla Ice Cream) by bff build fast formula
- **How much does it cost?** ¥17244 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/181631833-eighty-20-protein-powder-casein-and-whey-blend-fast-slow)

## Best For

- bff build fast formula enthusiasts

## Why This Product

- Trusted bff build fast formula brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fuel Your Gains:** Experience 6 hours of muscle protein synthesis with our perfect blend!
- • **Versatile Nutrition:** Mix it, bake it, or shake it—your protein, your way!
- • **Keto-Friendly Delight:** Indulge in great taste without compromising your diet!
- • **Satisfaction Guaranteed:** 30-day money-back promise for your peace of mind!
- • **Zero Fillers, Pure Power:** No amino fillers or gums—just clean, effective protein!

## Overview

Eighty:20 Protein Powder is a premium blend of 80% Micellar Casein and 20% Whey Protein, designed for optimal muscle support. Each serving delivers 23 grams of protein with only 110 calories, making it ideal for athletes and fitness enthusiasts. This versatile powder can be mixed with liquids or used in recipes, and is proudly made in the USA with a 30-day satisfaction guarantee.

## Description

Eighty:20 Protein Powder Casein & Whey Blend | Fast & Slow Digesting Proteins for 6 Hours Muscle Protein Synthesis for Men & Women | Keto Friendly & Great Tasting (Vanilla Ice Cream)

## Features

- ADVANCED MUSCLE SUPPORT FORMULA: Consisting of 80% Micellar Casein Protein (for slower absorption) and 20% Whey Protein (for faster absorption) it’s the exact ratio found in milk. This natural formula provides 6 Hours of Muscle Protein Synthesis (anabolic) and 8 Hours of Plasma Amino Acids(anti-catabolic). EIGHTY:20 stimulates muscle protein growth and recovery, while preventing muscle protein breakdown for a longer period of time, versus regular standalone protein products.
- OPTIMUM NUTRITION FOR ALL AGES AND ATHLETES: Each serving contains 23 Grams Protein, 110 Calories, 3 Carbs and 1 Gram of Fat. Eighty:20 is perfect for Men, Women and youth athletes looking for a post workout or training recover drink, meal replacement, or to increase your daily protein intake and there’s no tricks with Eighty:20 we use ZERO Amino Fillers, Protein Peptides or Gums in our formula.
- AMAZING FLAVORS: Eighty:20 comes in a variety of delicious flavors that mix very easily and can be used in a variety of ways. It can be mixed with water or milk for a simple on-the-go protein shake, or it can be added to a smoothie with fruit for a delicious treat. The casein and whey blend is also perfect baking ang cooking things like high protein pancakes, waffles, cookies, and any other high protein foods. If you can cook, EIGHTY:20 will be your new best friend forever!
- 30-DAY GUARANTEE: At Build Fast Formula we are confident that you will love our products and we stand behind them. If for any reason you are not satisfied with your purchase you may request a full refund within 30 days of purchase.
- MADE IN THE USA: All Build Fast Formula products are proudly made right here in the USA and in manufacturing facilities that adhere to the highest standards of quality using tested, safe and effective ingredients that you can use confidently.

## Images

![Eighty:20 Protein Powder Casein & Whey Blend | Fast & Slow Digesting Proteins for 6 Hours Muscle Protein Synthesis for Men & Women | Keto Friendly & Great Tasting (Vanilla Ice Cream) - Image 1](https://m.media-amazon.com/images/I/718TZGSxl+L.jpg)
![Eighty:20 Protein Powder Casein & Whey Blend | Fast & Slow Digesting Proteins for 6 Hours Muscle Protein Synthesis for Men & Women | Keto Friendly & Great Tasting (Vanilla Ice Cream) - Image 2](https://m.media-amazon.com/images/I/61EQLWd3qfL.jpg)
![Eighty:20 Protein Powder Casein & Whey Blend | Fast & Slow Digesting Proteins for 6 Hours Muscle Protein Synthesis for Men & Women | Keto Friendly & Great Tasting (Vanilla Ice Cream) - Image 3](https://m.media-amazon.com/images/I/71Vpwa17wrL.jpg)
![Eighty:20 Protein Powder Casein & Whey Blend | Fast & Slow Digesting Proteins for 6 Hours Muscle Protein Synthesis for Men & Women | Keto Friendly & Great Tasting (Vanilla Ice Cream) - Image 4](https://m.media-amazon.com/images/I/71T7Z5hpmNL.jpg)
![Eighty:20 Protein Powder Casein & Whey Blend | Fast & Slow Digesting Proteins for 6 Hours Muscle Protein Synthesis for Men & Women | Keto Friendly & Great Tasting (Vanilla Ice Cream) - Image 5](https://m.media-amazon.com/images/I/71calU1fF2L.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Great stuff
  

*by M***C on Reviewed in the United States 🇺🇸 on November 9, 2022*

Great flavor and easy on the stomach!

### ⭐⭐⭐⭐⭐ 







  
  
    Great product and one of the best tasting out there.
  

*by R***E on Reviewed in the United States 🇺🇸 on October 11, 2022*

Tastes great, mixes well and works.

### ⭐⭐⭐⭐⭐ 







  
  
    Delicious!
  

*by C***1 on Reviewed in the United States 🇺🇸 on July 16, 2022*

I actually want thank BFF for making such a delicious protein shake. I got the peanut butter chocolate one when Amazon had prime day and just had it. Soooo good!

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/181631833-eighty-20-protein-powder-casein-and-whey-blend-fast-slow](https://www.desertcart.jp/products/181631833-eighty-20-protein-powder-casein-and-whey-blend-fast-slow)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-21*