Search  for anything...
BSN

BSN SYNTHA-6 Isolate Protein Powder, Peanut Butter Protein Powder with Whey Protein Isolate, Milk Protein Isolate, Flavor: Chocolate Peanut Butter, 48 Servings

  • Based on 0 reviews
Condition: New
Checking for the best price...
$77.94 Why this price?

Buy Now, Pay Later

As low as $12.99 / mo
  • – 6-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

Non-returnable due to Food safety reasons

View our full returns policy here.

Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Mar 23
Order within 1 hour and 38 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Recently Viewed

Flavor Name: Chocolate Peanut Butter


Size: 4.02 Pound (Pack of 1)


Features

  • Isolate Protein Matrix: a matrix of fast and slow release proteins from whey protein isolate and milk protein isolate sources
  • 11 grams Eaas Per Serving: help refuel and build quality muscle mass
  • Great Tasting: The delicious milkshake like flavors youve been accustomed to drinking from BSN
  • Milkshake Consistency: amazing texture and consistency
  • Any Time Formula: great for in the morning, pre workout, post workout, between meals, or anytime where you need more protein in your diet

Description

SYNTHA-6 ISOLATE is an ultra-premium protein powder consisting of a 50/50 blend of Whey Protein Isolate and Milk Protein Isolate. BSN’s unique ISOLAST protein matrix combines the advantages of both fast and slow digesting protein sources that have had much of the fat, sugar and other undesirable components ‘isolated’ out, making SYNTHA-6 ISOLATE the ideal post-workout recovery shake. SYNTHA-6 ISOLATE provides 25 grams of high-quality protein and the same delicious taste as SYNTHA-6, thanks to BSN's exclusive flavor technology.

Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 8 x 8 x 11 inches; 4.01 Pounds


Item model number ‏ : ‎ 1058026


Date First Available ‏ : ‎ December 13, 2014


Manufacturer ‏ : ‎ Glanbia Performance Nutrition


Best Sellers Rank: #22,513 in Health & Household (See Top 100 in Health & Household) #121 in Sports Nutrition Whey Protein Powders #1,874 in Sales & Deals


#121 in Sports Nutrition Whey Protein Powders:


#1,874 in Sales & Deals:


Customer Reviews: 4.2 4.2 out of 5 stars (851)


Flavor: Chocolate Peanut Butter


Diet Type: Kosher


Product Benefits: Muscle Growth


Protein Source: Whey


Protein: 25 Grams


Total Servings Per Container: 48


Item Weight: 4.01 Pounds


Unit Count: 64.32 Ounce


Number of Items: 1


Item Dimensions: 8 x 8 x 11 inches


Brand Name: BSN


Package Type Name: Tub


Age Range Description: Adult


Global Trade Identification Number: 19


UPC: 834266002719


Manufacturer: Glanbia Performance Nutrition


Recommended Uses For Product: Post-Workout


Allergen Information: Milk, Soy


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Mar 23

This item is non-returnable:

Non-returnable due to Food safety reasons

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Liquid growth
Flavor Name: Chocolate Peanut Butter Size: 4.02 Pound (Pack of 1)
My go to protein powder- mixes easily and tastes great
Reviewed in the United States on August 5, 2025 by J. D. Hartzell
    • Good
Flavor Name: Chocolate Peanut Butter Size: 4.02 Pound (Pack of 1)
Good flavor and good protein. Syntha6 is one of the best proteins on the market
Reviewed in the United States on January 26, 2025 by Amazon Customer
    • Didn’t hurt my stomach
Flavor Name: Chocolate Peanut Butter Size: 4.02 Pound (Pack of 1)
Honestly, I am not much of a protein expert, but I do know that this isolate protein has been perfect for me. I am lactose and cannot buy regular whey protein and plant based just doesn’t do it for me. I read about isolate and have tried STNTHA-6 in the past and loved the flavor and how well it mixes. Their isolate formal has been amazing so far. Peanut butter chocolate taste and mixes so well. I have order 3 now and have a subscription ready each month. I would highly recommend this is your are lactose, but don’t want a plant based protein. ... show more
Reviewed in the United States on October 31, 2019 by Brandon
    • Horrible, horrible flavor
Flavor Name: Chocolate Peanut Butter Size: 4.02 Pound (Pack of 1)
I’ve been drinking protein drinks for a greater than 30 years. Flavors had advanced considerably throughout the decades however, this chocolate peanut butter was horrible. The peanut butter part tasted like strong vanilla, which I don’t like vanilla protein it taste too much like protein powder itself. If you do like that flavor you might like this. To me it taste like a big batch of chemical. I did not want to return it as for it was not Amazon’s fault, I’m used to nasty tasting protein because I was drinking it in the 80s and nothing taste a good back then so I will be able to finish this. However I cringe every swallow. I’m very surprised at you guys that have gave a positive review………. Because my gosh this was one of the worst flavors I have purchased in probably five years I will not be buying this flavor again. I will buy Syntha-6 again as for I like their protein, but I do not like this flavor at all. It is absolutely horrible. ... show more
Reviewed in the United States on April 15, 2024 by Curious G
    • Good protein powder, but not as good as BSN Syntha-6 Edge PB Cookie
Flavor Name: Chocolate Peanut Butter Size: 4.02 Pound (Pack of 1)
BSN Syntha-6 Isolate Chocolate Peanut Butter is a good protein powder with high quality protein content, but the flavor and texture are just okay--a bit of a funky chocolate aftertaste and a tiny bit chalky. The Peanut Butter Cookie Sntha-6 Edge has been the best I've tried--a smooth, creamy texture and wonderful peanut butter flavor!! ... show more
Reviewed in the United States on December 30, 2021 by AMM
    • BSN Syntha 6
Flavor Name: Chocolate Peanut Butter Size: 4.02 Pound (Pack of 1)
Really like this protein. Mixes and tastes very good with milk or water.
Reviewed in the United States on July 21, 2024 by andi yingling
    • Great protein shake
Flavor Name: Chocolate Peanut Butter Size: 4.02 Pound (Pack of 1)
Best I have ever tasted!!! Fast shipping!
Reviewed in the United States on April 7, 2024 by eric sammons
    • Delicious
Flavor Name: Chocolate Peanut Butter Size: 4.02 Pound (Pack of 1)
This is probably my favorite! I have tried 4 flavors from syntha and all our delicious with PB cookie being my favorite then Cookies & Cream, Chocolate PB then Bananna.
Reviewed in the United States on April 5, 2023 by Francie tietz

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...