Weight gainers are not surprisingly, supplements that help a person gain weight! They generally consist of protein, carbohydrates and fats with some added extras. They are ideal for somebody who finds it difficult to put on weight through eating alone, often referred to as a hard-gainer. Ideally a weight gainer should be supplemented in addition to the user's normal diet, this helps to create a calorie surplus, which will result in weight gain over a period of time.supplementation increases the production of carnosine, a dipeptide known to buffer lactic acid accumulation and neutralize hydrogen ions. Thus by combining a fat and water soluble creatine with Beta Alanine, it enables the creatine to function beyond its normal rate limiting system, leading to superior absorption and effectiveness.