BSN SYNTHA-6 Whey Protein Powder, Micellar Casein, Milk Protein Isolate Powder
BSN SYNTHA-6 is a rich, multi-source protein powder designed more like a milkshake-style protein than a lean isolate. It fits users who care about taste and texture as much as protein amount.
Editorial review
Product-specific buying guidance
Overview
BSN SYNTHA-6 is a rich, multi-source protein powder designed more like a milkshake-style protein than a lean isolate. It fits users who care about taste and texture as much as protein amount.
What makes it different
Unlike pure whey isolate products, SYNTHA-6 combines whey, casein, milk protein isolate, and egg albumin sources. That makes it a broader protein blend rather than a single-source formula.
Best use case
Best for users who want a creamy protein shake for daily protein intake and do not specifically need a lean isolate.
Limitations
It is not vegan, not dairy-free, and not ideal for users looking for the simplest ingredient panel or lowest-calorie protein option.
Comparison note
Compared with Dymatize ISO100 or Transparent Labs Whey Isolate, SYNTHA-6 is less lean and more shake-like. Compared with ON Casein, it is not a pure casein product.
Final verdict
A good option for users who want a flavorful blended protein shake, but not the best choice for clean-label or pure-isolate buyers.
Score breakdown
Internal editorial score
This is an internal score out of 10, not an marketplace rating.
- Brand trust
- 8.8/10
- Product relevance
- 8.5/10
- Ingredient/spec clarity
- 8.1/10
- Buyer intent fit
- 8.6/10
- Value expectation
- 8.0/10
- Availability confidence
- 8.5/10
Pros
- Multi-source protein blend with whey, casein, milk protein, and egg albumin
- 22g protein per serving according to BSN
- Strong fit for users who prefer thicker, dessert-style protein shakes
Cons
- Not vegan or dairy-free
- Not a pure whey isolate
- Flavor-specific ingredients and sweeteners need label verification
Key details
Product details
- Brand
- BSN
- Product type
- Multi-Source Protein Blend
- Category
- Protein & Muscle Building
- Primary use case
- Users who want a dessert-style protein shake
- Suitable goals
- muscle gain
- Last updated
- 2026-05-08
Ingredients & Formula
Formula notes
SYNTHA-6 is a multi-source protein powder, not a pure whey isolate. It is built around taste, texture, and a blend of faster and slower protein sources.
- Verification status
- partial
- Main ingredients
- Whey protein concentrate, Whey protein isolate, Calcium caseinate, Micellar casein, Milk protein isolate, Egg albumin
- Active ingredients
- Whey protein sources, Casein protein sources, Egg albumin
- Protein source
- Dairy-based whey/casein blend plus egg albumin
- Sweeteners
- Flavor-specific; verify exact label
- Allergen info
- Contains milk and egg protein sources. Flavor-specific labels may include soy or other allergen warnings.
- Serving info
- Exact serving size varies by flavor and package; verify final label.
Nutrition highlights
- 22g protein per serving according to BSN
- 10g naturally occurring essential amino acids per serving according to BSN
- Milkshake-style protein blend positioning
- Form
- Powder
- Flavor
- Multiple flavors
- Package size
- Varies by listing
- Diet tags
- Dairy-based, Contains egg, Not vegan
- Certifications
- None listed
- Protein per serving
- 22g
- Calories per serving
- Flavor-specific
- Carb info
- Flavor-specific
Best for / avoid if
Best for
- Users who want a dessert-style protein shake
- People who prefer a blended protein instead of pure whey isolate
- Buyers looking for a richer shake texture
Avoid if
- You want a pure whey isolate
- You need vegan or dairy-free protein
- You want a very minimal ingredient protein powder
Medical disclaimer
SupplementCheckLab provides product research and buying guides for informational purposes only. We do not provide medical advice. Always consult a qualified healthcare professional before starting any supplement, especially if you are pregnant, nursing, taking medication, or have a medical condition.
FAQ
Quick buying questions
What type of protein is BSN SYNTHA-6?+
It is a multi-source protein blend that includes whey, casein, milk protein isolate, and egg albumin sources.
How much protein does SYNTHA-6 provide?+
BSN lists SYNTHA-6 as providing 22g protein per serving.
Is SYNTHA-6 a whey isolate?+
No. It is not a pure whey isolate; it is a blended protein powder.
Is it suitable for vegan users?+
No. It contains dairy-based protein and egg albumin.
Who should choose this over a whey isolate?+
Choose SYNTHA-6 if taste, texture, and a blended shake experience matter more than getting the leanest isolate formula.