BSN Syntha-6 , 2.9lbs
BSN Syntha-6 Protein Powder — 6-Source Sustained-Release Protein Blend, 2.9lbs
BSN Syntha-6 is one of the most recognized protein blends in sports nutrition — a multi-source, sustained-release formula delivering 22g protein and 10g essential amino acids per serving from six different protein sources. Combining fast-acting whey isolate with slow-digesting micellar casein and milk protein isolate, Syntha-6 supports muscle recovery over an extended window — making it equally effective in the morning, between meals, or before bed. Available in indulgent dessert-inspired flavours: Blueberry Pancake, Cinnamon Toaster Pastry, and Fruity Cereal.
| Spec | Per Serving (1 Rounded Scoop / 47.2g) |
|---|---|
| Calories | 200 |
| Protein | 22g |
| Essential Amino Acids (EAAs) | 10g |
| Carbohydrates | 15g (5g fiber) |
| Sugar | 3g |
| Fat | 6g (2g saturated) |
| Protein Sources | 6 sources (see below) |
| Servings per Container | ~28 |
| Container Size | 2.9lbs |
| Flavours | Blueberry Pancake, Cinnamon Toaster Pastry, Fruity Cereal |
| Allergens | Contains Milk, Egg, Soy |
Protein Matrix — 6 Sources
- Whey Protein Concentrate — fast-digesting, rich in bioactive peptides and immune fractions
- Whey Protein Isolate — fast-digesting, higher protein-to-calorie ratio, low lactose
- Calcium Caseinate — intermediate release, forms a gel in the stomach for slower digestion
- Micellar Casein — the slowest-digesting protein, sustains amino acid release for hours
- Milk Protein Isolate — natural blend of whey and casein proteins from milk
- Egg Albumin — medium-digesting, highly bioavailable complete protein with no fat
Key Benefits
- Sustained amino acid release — fast and slow proteins combined for extended muscle support throughout the day or overnight
- 22g protein per serving — with 10g EAAs including leucine, isoleucine, and valine for muscle protein synthesis
- AM/PM versatile — appropriate any time of day: morning, between meals, post-workout, or before bed
- Indulgent flavour lineup — dessert-inspired flavours with only 3g sugar per serving
- 5g dietary fiber per serving — supports digestive health and satiety
Best For / Not Ideal For
Best for: Anyone who wants a premium, multi-source protein that covers multiple timing windows — great as a between-meal protein shake, a bedtime casein alternative, or a post-workout recovery drink. The dessert flavours also make it an enjoyable daily treat with a strong nutritional profile. Well-suited for intermediate to advanced athletes who want more than a basic single-source whey.
Not ideal for: Those with dairy or egg allergies (contains milk, egg, and soy). Anyone strictly tracking macros for a cut who prefers the cleanest possible protein-to-calorie ratio — a whey isolate with fewer carbs and fat may be more appropriate. Not a vegan product.
Ingredients
Protein Matrix: Whey Protein Concentrate, Whey Protein Isolate, Calcium Caseinate, Micellar Casein, Milk Protein Isolate, Egg Albumin
Allergen Warning: Contains Milk, Egg, and Soy (as soy lecithin). Not suitable for individuals with dairy or egg allergies. Keep out of reach of children.
Who Is This For?
BSN protein is designed for athletes, gym-goers, and active adults who need convenient, high-quality protein to support muscle repair and growth. It works as a post-workout shake, a between-meals protein boost, or a quick breakfast option when whole-food protein is impractical.
Who Is This NOT For?
Not recommended for individuals with dairy allergies or lactose intolerance (unless specifically formulated as dairy-free). Those with very low protein requirements or sedentary lifestyles may not see significant benefit beyond whole-food protein sources. Always check the label for allergen declarations.
Why Buy From Bulldog Nutrition?
Bulldog Nutrition is an authorized Canadian and US retailer of BSN products. We source directly from the brand — never from grey market or unauthorized distributors — so every order is genuine and fresh.
- ✓ Authorized BSN retailer — authentic products only, never grey market or counterfeit
- ✓ Ships across Canada and the US — fast, reliable delivery to your door
- ✓ 10+ years in business — a track record you can rely on
- ✓ 4.7/5 stars from 2,400+ verified customer reviews
- ✓ Ongoing support available — reach us anytime via email or live chat
Shipping Information
Bulldog Nutrition ships across Canada and the United States. Most orders are processed within 1 to 2 business days.
Free shipping is available on eligible orders over $100. Please note that drink cases are excluded from free shipping due to size and weight.
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