100% Grass-Fed Whey Protein Isolate

Sourced exclusively from grass-fed cattle with absolutely no artificial sweeteners, food dyes, or fillers.

No Artificial Sweeteners

No Artificial Coloring

No Artificial Preservativesg

Gluten-Free and Non-GMO

Why Use Grass-Fed Whey Protein Isolate

Whey protein isolate remains the gold standard of easily digestible, rapidly absorbed protein to facilitate muscle repair and growth.

Build Muscle Mass

Whey protein isolate is high in essential amino acids that promote muscle hypertrophy.

Promote Recovery

Consuming ample protein sets the foundation for muscle recovery so you can stay on top of your game every workout.

Support Body Composition

Protect your hard-earned muscle mass during weight-loss and maintenance phases.

Convenient Protein Boost

Adding whey protein to your diet is a simple, effective, and tasty way to reach your protein intake goals daily.

What does "Clean" really mean?

Natural & Grass-Fed Ingredients

No Artificial Sweeteners, Colors, or Fillers

Certified by Informed Choice & Informed Protein

100% Label Transparency

Increase

Strength

Support

Health &

Longevity

Boost

SRecovery

Enhance

Muscle

Growth

TL Performance Partners

Meet our team of athletes, coaches, and fitness professionals.

"I choose TL products because I won't settle for anything that uses junk like artificial sweeteners, colors, or flavors. It's simple. TL has the best-tasting, cleanest products on the planet."

Paul Sklar

Athlete, Professional Trainer & FitnessInfluencer

"TL is the only brand I trust to bring me high-quality ingredients that will fuel my physical & mental performance both in and outside the gym."

Diana Conforti

Personal Trainer & Content Creator

"TL makes the highest-quality, science-backed formulations that support performance, recovery, and longevity-aligning perfectly with my Functional Body building philosophy and training approach."

Marcus Filly

Pioneer of Functional Bodybuilding

"Whether I'm looking for protein, pre-workout, or any other supplement, Transparent Labs delivers exactly what I need with clean ingredients and tasty options."

Keiani Mabe

Fitness Enthusiast/Influencer

"TL supplements are an easy choice for me because I value clean, pure & effective performance-based supplements that are science-backed."

Deborah Moore

Mindset, Macros, & Habit Coach forMidlife Women

"I appreciate that they are open about the ingredients and their sourcing, ensuring l'm always making an informed choice. For me, it's not just about gaining strength-it'sabout trusting what I put in my body to support my goals."

Ava Chemutai

Full-time Powerlifter

"TL has clean, tested products with clinically dosed formulas to help me and the athletes I work with achieve fitness and wellness goals."

Quentin Willey

Collegiate Performance Coach andPhysical Therapist

Frequently Asked Questions

Protein is a nutrient known for its satiating and thermodynamic effects, which can help reduce hunger and increase calorie expenditure. Incorporating whey protein isolate into your diet can assist in weight management by promoting fullness and an energy deficit.

Whey protein isolate undergoes additional processing to remove most of the lactose and fat content, leaving >90% protein. Whey isolate protein is often preferred over whey protein concentrate due to its higher protein purity and reduced lactose  content.

Yes, consuming whey protein powder daily is safe for most individuals. However, it's important not to rely on it as your sole source of protein.

Food labeling practices require the term "natural flavor" to be used instead of the specific constituents that comprise the flavoring. For example, the organic compound isobutyl acetate is found in raspberries, pears, and pineapples and is used commercially to impart natural fruity flavors.

If you're looking for a whey protein isolate with no natural flavors, try our Unflavored option!

Whey protein isolate is quickly absorbed by the body, making it ideal for post-workout recovery as it helps to repair and build muscle tissue efficiently. However, it can be used any time you want to increase protein intake!

Individuals with a severe lactose intolerance should not consume whey protein powders. Individuals who are allergic to milk, eggs, soybeans, wheat, shellfish, fish oil, tree nuts, and/or peanut oil should be aware that our protein is manufactured with equipment that also processes these ingredients.