Formula recommendations

My son is almost 3 months and is currently on the spit up formula. He still spits up so much. He’s been on it for over 2 months and I feel like it hasn’t really helped. Doctor says it’s normal because he’s gaining weight, doesn’t seem like he’s in pain, and he’s not spitting up a weird color. It makes me feel horrible because I feel bad he can’t keep it down. He spits up a lot about ever other feed and I’m wondering if maybe changing the formula would help? And which one should I try? 😕 I’ve only tried the blue top and spit up one.