Clearly superior. 20 grams of grass-fed clear whey protein isolate, naturally flavored and sweetened. Gentle on digestion. Ultra-filtered with zero artificial sweeteners making it easy to enjoy. Advanced recovery. Fast absorbing to support muscle growth and recovery.

Authentic Iso is your go to solution for clean, high quality protein that goes down easy and indulges your taste buds. Toss a scoop or tow down the hatch to give your body the fast acting whey protein isolate it needs for lean muscle growth after a demanding workout. Quick, simple, and effective - Authentic Iso has you covered. Oh, and we should also mention it's made from grass-fed cattle so none of that crazy hormonal cow stuffgets in the way of your gains. Speaking of gains, you just crushed it in the gym - what are you waiting for? This protein isn't going to drink itself.

• Helps build and maintain muscle
• Supports endurance and recovery
• Instantized powder for easy mixing
• Strawberries & Cream flavor

GOLD STANDARD 100% WHEY by Optimum Nutrition fuels your body with 24g of high-quality whey protein derived primarily from whey protein isolate, plus 5.5g of naturally occurring BCAAs to support muscle building, maintenance, endurance, and recovery.

Frequently Asked Questions

What is whey protein isolate?

Whey protein isolate (WPI) has the highest concentration of protein and BCAAs, while having less carbs, cholesterol, and fat compared to other whey proteins. WPI is also low in lactose and easy on your digestive tract.

What are BCAAs?

Branched-chain amino acids (BCAAs) include leucine, isoleucine, and valine. They support muscle growth and reduce muscle fatigue.

• Supports muscle growth and recovery
• Informed Choice and Informed Protein certified
• Non-GMO
• Free of gluten, artificial sweeteners, food dyes, fillers, and preservatives
• Cinnamon French Toast flavor

Transparent Labs 100% Grass-Fed Whey Protein Isolate supports muscle growth, post-workout recovery, and healthy body composition.

Each serving delivers 28g of high-quality whey protein isolate sourced from 100% grass-fed cattle that are humanely raised and never treated with growth hormones or hormonal agents.

Frequently Asked Questions

What is whey protein isolate?

Whey protein isolate (WPI) has the highest concentration of protein and BCAAs, while having less carbs, cholesterol, and fat compared to other whey proteins. WPI is also low in lactose and easy on your digestive tract.