Transparent Labs Grass-Fed Whey Protein Isolate - Naturally Flavored, Gluten Free Whey Protein Powder with 28g of Protein per Serving & 9 Amino Acids - 30 Servings, Vanilla Peanut Butter
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Availability:
Only 10 left in stock, order soon!
Arrives
Mar 25 – Mar 27
Flavor Name: Vanilla Peanut Butter
Features
- Naturally Flavored Clean Protein Powder: Made from naturally-fed, hormone-free whey, free of artificial sweeteners, food dyes, gluten, and preservatives. Transparent Labs 100% Grass-Fed Whey Protein Isolate is one of the cleanest proteins on the market.
- 28g of Protein Per Serving: Transparent Labs Whey Protein Isolate is sourced from 100% grass-fed, grass finished American dairy cattle. It contains one of the industrys highest protein-by-weight ratios, and packs 28g of protein per serving with minimal sugar or fat.
- Enhance Recovery, Increase Strength: Transparent Labs 100% Grass-Fed Whey Protein Isolate gives you a highly bioavailable protein that is light on the stomach and goes down easily. This is the perfect protein for those who want to support recovery and promote muscle growth, while promoting overall health and longevity.
- Contains All Nine Essential Amino Acids: Protein is made up of amino acids, which are the building blocks of muscle proteins. Depending on where your protein comes from, it will contain different amounts of the various building blocks. All of our protein powders contain all nine essential amino acids in a balanced ratio to support muscle protein synthesis, so you can trust that our protein powders will help you reach your muscle building and fitness goals.
- Easily Digestible & Rapidly Absorbed: Theres nothing worse than the digestive discomfort often associated with trying to increase your protein intake. Our protein powder is designed with your digestive health in mind. No more bloating, gas, or digestive woes - just pure protein goodness that your body can readily utilize.
Brand: Transparent Labs
Flavor: Vanilla Peanut Butter
Item Weight: 1361 Grams
Protein Source: Whey
Unit Count: 30.0 Ounce
Package Dimensions : 9.92 x 5.91 x 5.91 inches; 3 Pounds
Item model number : TL1
Date First Available : September 25, 2023
Manufacturer : Transparent Labs
Best Sellers Rank: #1,171 in Health & Household (See Top 100 in Health & Household) #13 in Sports Nutrition Whey Protein Powders
#13 in Sports Nutrition Whey Protein Powders:
Customer Reviews: 4.5 4.5 out of 5 stars (2,600)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Mar 25 – Mar 27
This item is non-returnable:
Non-returnable due to Food safety reasons
View our full returns policy here.
Non-returnable due to Food safety reasons
View our full returns policy here.
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Top Amazon Reviews
I bought this to use as my daily whey protein for smoothies and post-workout, and I’ve been impressed with both the quality and how clean it is. I’m pretty picky about ingredients, and I love that this is grass-fed with no artificial sweeteners - it feels like a product I don’t have to second-guess. What I noticed right away: -Mixes really smoothly in a shaker bottle, no gritty texture -Light, not overly sweet flavor (which I prefer since I add fruit) -No bloating or stomach heaviness afterward, which I sometimes get with whey Taste + texture: I’ve used it with both water and almond milk. With water, it’s very clean and drinkable. With almond milk it feels creamier and more like a milkshake. I also blended it with banana + ice and it came out super smooth. Results & use case: I mainly take this after workouts or as a quick breakfast when I don’t have time to cook. It keeps me full for a few hours and gives me a solid protein bump without feeling heavy. What I’d change: The flavor is mild, which I like, but if you prefer sweeter shakes you may want to blend with fruit or add a drop of honey. A slightly larger container size option would also be nice. Who this is perfect for: Someone who wants a clean, grass-fed whey with simple ingredients, good digestion, and a neutral flavor that works well alone or in smoothies. Overall, a reliable everyday protein powder that feels clean, mixes easily, and doesn’t upset my stomach - will definitely repurchase.
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Reviewed in the United States on November 29, 2025 by Kelly B
Flavor Name: Oatmeal Chocolate Chip Cookie
Oh. My. Goodness. Oatmeal chocolate chip cookie is literally like drinking a (liquified) oatmeal chocolate chip cookie! Absolutely delicious. I’m comparing this to GNC’s Pro Series Protien. TL isn’t gritty and doesn’t have that weird film aftertaste. It also smells good! And not artificial! It mixed well with milk- even without a blender ball! #whoa! Somehow I didn’t have to dig for the scoop. It was right at the top. The scoop is narrow so you could fit it in smaller sized bottles?? But that’s not really something to consider when buying protein powder 😅 I like the ingredients and getting more protein with each scoop. I think it’s less calories than the GNC Pro Series and it sits so much better with my stomach. It’s lightweight and not heavy. I don’t feel like I just ate 3 chicken breasts. And I LOVE THAT!! I think this is a great buy for the money.
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Reviewed in the United States on November 7, 2025 by Shelby
Flavor Name: Oatmeal Chocolate Chip Cookie
Nutrients meet my dietary requirements. Tastes good. Powder doesn't clump up when mixing/blending.
Reviewed in the United States on December 8, 2025 by Wayne
Clean ingredients. Great product. It comes fast and tastes amazing. (I love the strawberry) All of their products are great.
Reviewed in the United States on December 10, 2025 by Donny B. Donny B.
If you're going to try this, stick with Milk Chocolate. It's the only flavor they've actually nailed. Vanilla is decent, nothing special. Chocolate Peanut Butter is worse than Vanilla but still drinkable. Strawberry Milkshake is absolutely terrible and undrinkable. It doesn't taste like strawberry or milkshake; it tastes like chemical watermelon bubblegum. I couldn't finish it. Now here's my real issue: the labeling you get doesn't match the Amazon advertised images. On Amazon, their photos say Natural Strawberry Flavor. But when you get the actual tub, the ingredient label only says Natural Flavors. That might sound minor, but it's not. “Natural Flavors” is FDA code for a mystery mix of chemicals that companies don’t have to list individually as long as each one is under a certain limit. If you’re going to call yourself Transparent Labs, then be transparent. Show us what’s actually in there. Right now, your pictures promise clarity, but your packaging delivers the opposite. That said, this is still my favorite protein overall for texture and mixability. Just don't fool yourself into thinking these guys are as honest as their name implies. They're about as transparent as mud if they don't remove the "Natural Flavors" from their packaging ingredients. FYI: "Natural Flavors" can legally include things like: -Solvents (used to dissolve or preserve flavor compounds) -Emulsifiers (help blend oil and water based ingredients) -Stabilizers (extend shelf life or texture) -Synthetic processing aids (chemically modified but still labeled "natural") -Extracts or oils from undisclosed sources (including potential allergens) -Animal derived compounds (sometimes used in flavor bases) -Engineered or lab altered flavor chemicals (still "natural" by FDA standards if originally plant or animal based) So yes, the protein is solid. But the "Transparent" part? Not so much.
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Reviewed in the United States on October 13, 2025 by Brett Brett
Flavor Name: Chocolate Peanut Butter
I decided to try this brand because of their focus on transparency and the fact that they even go as far as to publish third party test results for their products on their website. This recently became more important for me after the increased awareness of heavy metal content in popular protein supplements. They won me over after my first order with the taste and quality and immediately became my primary protein supplier alongside Naked Nutrition. I don't have to wonder about mystery ingredients or potentially harmful additives anymore just to get good tasting whey.
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Reviewed in the United States on December 5, 2025 by William Jackson
Flavor Name: Milk Chocolate
This stuff is knocked out! Tastes great even in water. Great packaging. Easy to use scoop. No cheating on the amount in the container. It’s a little pricey if I had anything negative to say. But I highly recommend. Great stuff.
Reviewed in the United States on November 26, 2025 by iPhone 5 User
Flavor Name: Chocolate Peanut Butter
While the nutritional profile of this whey protein is solid, it doesn’t dissolve well—clumps up even when using a shaker bottle. On top of that, the flavor is disappointing. It’s supposed to be chocolate peanut butter, but there’s barely any taste at all. If they improved both the mixability and flavor, this could be a much better product.
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Reviewed in the United States on October 24, 2025 by law