Carbohydrate-protein fuel for during exercise. Prolong is an isotonic-range drink for intense or extended training, combining carbohydrate with whey protein. See more in Energy & Fitness.
Key facts
- 224 kcal per serving — great for endurance sports
- Osmolality 270–330 mOsmol/kg
- 6.8g whey protein to support the growth of muscle mass, plus carbohydrate (maltodextrin)
- Enriched with vitamin C and B vitamins — no artificial colours, flavours or sweeteners
How to use it
Add 4 level scoops (60g) to 250ml of water, shake, then top up to 500ml. Drink one 500ml bottle per hour during activity.
Made by Herbalife
Genuine Herbalife product, shipped from UK stock by an official Herbalife Independent Member.
FAQ
How much is Prolong? £58.97, with free UK delivery (orders over £75 ship free).
When should I use it? During prolonged or intense exercise.
Is it genuine Herbalife? Yes — 100% genuine Herbalife stock from an official Independent Member.
John – HL Shop 4 You (independent Herbalife distributor in the UK)

