For an affordable and gentle option suitable for bodybuilding, I recommend generic whey protein concentrate. It is a cost-effective, minimally processed option that provides all essential amino acids for muscle recovery without the high price tag of highly processed isolates. If you prefer a plant-based alternative, pea protein powder or soy protein concentrate are also excellent, budget-friendly choices. I suggest starting with a smaller dose (like half a scoop) to ensure your digestive system adjusts comfortably. Remember to pair any supplement with a balanced diet of whole foods and plenty of water for the best and safest results.