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  (3,985 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
3,985 Ratings
Verified Buyer Rating
1,315 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.
May 12, 2021
Verified Buyer
  • 10 Peanut Butter Cookie

Tastes great

Feb 28, 2021
Verified Buyer
  • 10 Chocolate Cake Batter
Jan 30, 2021
  • 10 Cookies & Cream

Great taste great product. If you need up to 50 % Off on whey protein use this c ode ASAD-ROO on my protein com. While signup

Jan 12, 2021
Verified Buyer
  • 10 Chocolate Milkshake
  • 10 Strawberry Milkshake

The BEST protein!

Jan 10, 2021
Verified Buyer
  • 8 Chocolate Cake Batter
  • 9 Chocolate Milkshake

I ordered the 5lbs tubs of milkshake and cake batter during a sale. I prefer the milkshake flavor more than the batter. Both flavors are slightly sweeter than ON GS extreme milk. Considering the 5lb weight, the serving size of ~48 is rather low for Syn6. ON GS 5lbs usually have about 70 servings more or less. With the sale, it is about $1 per 22g protein serving for the Syn6. I would suggest only buying Syn6 when its on sale or when you want to expand your protein flavor choices on top of the ones you already have. Don't expect Syn6 to be the cleanest. Just look at the ingredients. Its not the best but its definitely not the worst. Maybe try adding Syn6 with your other less flavorful protein to make it more palatable.

Dec 19, 2020
Verified Buyer
  • 10 Chocolate Milkshake

BSN is my go-to protein now. The chocolate milkshake flavor tastes like a swiss miss packet and the flavor truly never disappoints.

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!!

5 Sizes
2.59 Lbs. - Cold Stone Creamery® Series
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5 Flavors
Berry Berry Berry Good
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Price: $29.99  ($1.20 / Serving)
Flavor Rating: 3.3


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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

Serving Size About 1 Scoop (47g)
Servings Per Container25
Amount Per Serving
Calories 200       
% Daily Value *
Total Fat 6 g 8%
Saturated Fat 1.5 g 8%
Cholesterol 65 mg 22%
Sodium 140 mg 6%
Total Carbohydrate 15 g 5%
Dietary Fiber 7 g 25%
Total Sugars 3 g       
Includes 1g Added Sugars 2%
Protein 22 g 44%
Calcium 200 mg 15%
Potassium 230 mg 4%
Phosphorus 140 mg 10%
Magnesium 15 mg 4%
Not a significant source of trans fat, vitamin D and iron.
The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
Protein Matrix Comprised of (Whey Protein Concentrate, Whey Protein Isolate, Calcium Caseinate, Micellar Casein, Milk Protein Isolate, Egg Albumen, Glutamine Peptides), Polydextrose, Sunflower Creamer (Sunflower Oil, Corn Syrup Solids, Sodium Caseinate, Mono- and Diglycerides, Dipotassium Phosphate, Tricalcium Phosphate, Soy Lecithin, Tocopherols), Natural and Artificial Flavor, MCT Powder (Medium Chain Triglycerides, Nonfat Dry Milk, Disodium Phosphate, Silicon Dioxide), Lecithin, Cellulose Gum, Freeze Dried Blueberry Granules, Freeze Dried Strawberry Granules, Salt, Citric Acid, Sucralose, Acesulfame Potassium, Papain, Bromelain.
CONTAINS: Egg, Milk, Soy, and Wheat.

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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