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BSN Syntha 6 is a premium protein powder designed for men and women who are looking for a quality weight management supplement that contains a multiple blend of proteins, branch chain amino acids, glutamine, fiber and digestive enzymes, for maximum lean muscle development.


BSN Syntha-6 is a unique formula, containing whey protein concentrates, whey protein isolates, casein proteins and egg protein, all of which digest in the body at different rates and have distinct amino acid profiles, so the body is continually supplied with protein over an extended period of time. 

- Builds lean muscle
- Boosts Metabolism
- Supports Weight Management
- No Bloating
- Delicious Taste, mixing easy with water
- Convenient - can be consumed Day or Night
- Complete Meal Replacement
- Low Carb, Low Lactose, No Aspartame
- BCAAs, Glutamine (recovery), Digestive Enzymes, Fiber
- Fast, Medium and Slow Digesting Proteins

Syntha-6 makes provides a complete meal replacement boosted with vitamins and minerals, and is perfect for those with busy lifestyles, intense training regimes, or any individual wanting to increase lean muscle while supporting a lean healthy weight.

BSN Syntha-6 is by far the best tasting protein powder on the NZ Market, and that does not come at the expense of the quality.

Nutrition Facts


Payless Supplements Shipping


At Payless Supplements we offer Fast, Free courier delivery ON ALL ITEMS IN YOUR ORDER, EVERY ORDER. When you see a price, that’s the total price you pay. This includes all orders to South Island and Rural Delivery addresses.

We pack and ship your order within 1 business day. Estimated Delivery times for all nationwide orders:

  • North Island: 32 – 48 hours
  • South Island: 48 – 72 hours

Please note that these time frames are estimates, and are based on indications given to us by our courier service providers.

Once you place your order you will receive a confirmation email.

Please note that we do not currently ship orders overseas and we cannot ship to P.O Box numbers.

If you need to make a claim for any goods lost or damaged in transit please contact us within 24 hours of receipt of goods.