Thunderbrook Gentle Gain offers a natural, grain-free solution to support healthy weight gain without compromising metabolic health. Free from alfalfa, molasses, soya, and beet pulp, this formula features the high-quality protein of ricebran and sainfoin , a forage plant cherished for its nutrients, natural tannins that support nutrient digestion, protein availability and for its value as a nitrogen fixing and pollinator loving plant.