Of course there are many available Whey protein supplements available these days, but which ones are the best? Instant Whey is coincidently the name of such a product that is considered to be among the fastest acting Whey Protein supplements you can buy. The combination of whey, digestive enzymes and vitamins is possibly second to none and any serious athlete should try the product. Instant Whey has been prominent in the world of body building supplements for the past 5 years and continues to be re-invented and improved, thus ahead of its competition.