Syntha-6 Whey Protein Powder

Syntha-6 Whey Protein Powder

BSN's best tasting protein on the market with 6 different protein sources to support muscle performance throughout the day.*
Syntha-6 is designed to be the go-to protein powder for any nutrition or exercise regimen. Mixing effortlessly into great tasting shakes with a matrix of premium proteins and amino acids to boost a variety of athletes lifestyles and diet plans.*
9.2  out of 10  (3,979 Reviews)
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Product Overview


Go Ahead And

New Look. Same Syntha.

Syntha-6 Containers
22 g Protein
10 g Essential
Amino Acids
Naturally Occurring EAAs
Clock Icon Use Anytime
Day Or Night
BSN Athlete

NEW Cold Stone Creamery® Series

BSN Syntha-6 Cold Stone Creamery Flavors

Tastes like ice cream. Mixes like a milkshake. It's the best of both worlds. We outdid ourselves, once again.

Ultra-Premium Formula

SYNTHA-6® is an ultra-premium protein powder with 22g protein per serving and the best tasting BSN protein on the market. SYNTHA-6 is the go-to protein for any nutrition or exercise regimen because it is designed to suit a variety of active lifestyles and diet plans. And with SYNTHA-6, the high standard of quality protein comes with taste to match, thanks to the BSN exclusive flavor technology.

Ridiculously Delicious

BSN broke through the whey protein flavor barrier once and for all with the introduction of SYNTHA-6. Available in over 10 decadent flavors, SYNTHA-6 mixes like a delicious milkshake and is designed for any individual who wants to supplement daily protein intake to help reach their nutritional and physique goals.

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Ratings & Reviews

Syntha-6 Whey Protein Powder
Overall Rating
3,979 Ratings
Verified Buyer Rating
1,310 Ratings
Average Flavor Rating
27 Flavors
Top Rated Flavor
Candy Cane - Limited Edition
By clicking the button above, you agree to entering the Reviews section. Products in the Store are not intended to diagnose, treat, cure, or prevent any disease.
Nov 19, 2020
Verified Buyer
  • 10 Vanilla Ice Cream

I just got my first jug of Syntha-6, I wanted to try something new. This has many different proteins and I thought that was good. I am just starting out, and I will follow back with results and digestion later, but I just had my first serving and it was AMAZING!! I like to switch up when taking different supplements, I believe that you need to constantly challenge your body and trick your body (everything in moderation). That being said, I was blown away by the flavor of Vanilla Ice Cream. Personally, this was the smoothest tasting, and no chalky protein flavor like some have. I believe some aspects of the drink may not be good for you, and certainly are better options out there but this is a must try. I will be buying this and other flavors, but I wont use every time, because thats my preference. But....I will definitely buy again.

Nov 16, 2020
Verified Buyer
  • 8 Strawberry Milkshake
Nov 04, 2020
Verified Buyer

they literallly ruined the taste of it as it tastes like regular walmart vanilla whey protein now!! not happy at all with the disgusting taste

Oct 28, 2020
Verified Buyer
  • 10 Strawberry Milkshake
  • 8 Cookies & Cream
  • 9 Vanilla Ice Cream

I really like the flavors. Strawberry milkshake being my favorite. It mixes really well too and stays mixed. I mix it with either milk or water.

Oct 19, 2020
Verified Buyer
  • 8 Chocolate Cake Batter

I bought 5lbs of Cake Batter and Vanilla Ice Cream. I find the chocolate cake batter harder to mix in a blender bottle. I add a little water with a cup of milk to get it to mix well. This protein works well, I eat a protein bar with it and find that I have seen results. My muscles are more defined and get a nice pump when I work out. I also take creatine and have noticed an increase in soreness. I think syntha 6 is a good protein. The flavor for this protein is good, it has a nice taste. I would recommend this protein because of the increase in strength when I excerise.

Oct 11, 2020

This might be a good a good tasting product, but you only get 22G protein for a 47G scoop! That only 46% protein! Most companies are between 70-80%, or should be. Other than it tasting good, its a total rip off.

Oct 04, 2020
Verified Buyer
  • 10 Strawberry Milkshake
  • 10 Cookies & Cream

Me and my girlfriend each tried a bottle definitely not disappointed with the flavor the strawberry milkshake smells sweeter then it tastes I was surprised by how well it mixed and tasted with milk, 0 clumps and very easy to drink. Would recommend if you like fruity flavor protein. Cookies and cream tastes a lot like cookies and cream should with no artificial taste, milk was the mixer as well. Affordable protein with a great taste having tried brands like ON platinum whey, and Dynamtize fruity pebbles ( if you like the cereal it’s a must try ) this was my favorite so far.

Sep 24, 2020
  • 10 Peanut Butter Cookie

Great test with milk and good taste with water طعم واقعا بینظیری داره بخصوص برای کساییکه از مزه بادوم زمینی و کره‌ش خوششون میاد

Sep 09, 2020
  • 10 Cookies & Cream

This is a great tasting protein!!

Jul 18, 2020
Verified Buyer
  • 7 Vanilla Ice Cream

As far as the macros this is your typical run of the mill protein powder; a solid 25 or so grams of protein per serving. Taste wise, I really liked the birthday cake flavor. Really spot on with what a birthday cake would taste like if you could make it into a drink. Germanchokolatekake was not bad. Compared to other chocolate proteins I'd say this has more of a dark chocolate taste (although not at all bitter). Vanilla Ice cream was decent but quite generic. They should just remove the "ice cream" part of the name and call it vanilla

Jul 06, 2020
  • 8 Cookies & Cream
  • 10 Strawberry Milkshake

By FAR the best protein powder mix I've had to date. The cookies and cream flavor if good, but the cookie chunks were a little too big for my liking. Mint Chocolate Chip and the Strawberry Milkshake are my favorites!

Jun 05, 2020
Verified Buyer
  • 10 Chocolate Cake Batter

Best tasting protein on the market! To satisfy my nightly sweet tooth, I mix it with greek yogurt for some faux ice cream. I will never use another brand.

May 28, 2020

I would rate this lower if I could. This is one of the worst proteins in an already over-saturated market. BSN sells based on flavor and marketing alone, entirely forgoing quality. Just look at the label. The entire thing is an absolute joke. Less than half of the powder is actually protein. But what do you expect from a brand notorious for weakly formulated products with under-dosed ingredients and prop blends. Go buy something worth your money like Kaged muscle, Nutrabio or a number of other companies doing things the right way.

May 20, 2020
Verified Buyer

First off I have never mixed these with just straight water. First time I used Simply lactose free whole milk and it was too frothy. After that I mixed it with Silk 30 calorie unsweetened vanilla almond milk, 6 oz, and it's perfect. The mint one tastes just like a shake to me which is crazy but my wife says she can taste the protein a lot in that one. Also not over the top sweet. The birthday cake on the other hand, while still tasty, is extremely sweet. So I mix half a scoop of that with a half a scoop of BN flavorless whey protein and its perfect for me while the wife does it straight. Will definitely reorder after I run out in like 3 months since I got the MASSIVE containers. Oh and the shipment arrived on time which was nice too.

May 07, 2020
Verified Buyer
  • 9 Chocolate Cake Batter

it helps

4 Sizes
10.05 Lbs.
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2 Flavors
Chocolate Milkshake
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Price: $99.99  ($1.03 / Serving)
Flavor Rating: 9.3


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Syntha-6 is designed to be the go-to protein powder for any nutrition or exercise regimen. Mixing effortlessly into great tasting shakes with a matrix of premium proteins and amino acids to boost a variety of athletes lifestyles and diet plans.*

What's in BSN Syntha-6 Whey Protein Powder

10.05 Lbs. Chocolate Milkshake
Supplement Facts
Serving Size:1Rounded Scoop(47g)
Servings Per Container:About 97
Amount Per Serving
Calories 200
Calories From Fat 50
% Daily Value†
Total Fat 6g 9%
Saturated Fat 2g 10%
Trans Fat 0g
Cholesterol 70mg 23%
Sodium 220mg 9%
Potassium 300mg 9%
Total Carbohydrates 15g 5%
Dietary Fiber 5g 20%
Sugar 2g
Protein 22g 44%
Vitamin A 0%
Vitamin C 0%
Calcium 15%
Iron 8%
Phosphorus 15%
Magnesium 6%
† Percent Daily Values are based on a 2,000 calorie diet.
Your daily values may be higher or lower depending on your calorie needs.
Protein Matrix Comprised Of (Whey Protein Concentrate, Whey Protein Isolate, Calcium Caseinate, Micellar Casein, Milk Protein Isolate, Egg Albumin, And Glutamine Peptides), Sunflower Powder (Sunflower Oil, Corn Syrup Solids, Sodium Caseinate, Mono- & Diglycerides, Dipotassium Phosphate, Tricalcium Phosphate, Soy Lecithin, And Tocopherols), Polydextrose, Cocoa Powder Processed With Alkali, Natural & Artificial Flavors, Salt And Sodium Bicarbonate), MCT Powder (Medium Chain Triglycerides, Non-Fat Dry Milk, Disodium Phosphate, And Silicon Dioxide), Lecithin, Salt, Cellulose Gum, Acesulfame Potassium, Sucralose, Papain, And Bromelain.
Allergen Information:
Contains Milk, Egg, Wheat And Soy (Lecithin) Ingredients.
Allergen Warning:
Manufactured On Equipment Which Processes Products Containing Milk, Egg, Soybeans, Wheat, Shellfish, Fish Oil, Tree Nuts, And Peanut Flavor.

Directions For Syntha-6 Whey Protein Powder:

Take 1 scoop with 4-5 fl. oz. of cold water or any beverage of choice. To increase your protein intake per serving and achieve an even more amazing milkshake experience, use non-fat or low-fat milk.

SUGGESTED USE: For healthy adults, consume enough protein to meet your daily protein requirement with a combination of high protein foods and protein supplements throughout the day as part of a balanced diet and exercise program. 

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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