Holle, hipp, or Baby’s Only formula for sensitive baby?

Emalie • Mom of 3 with 4th on the way!

My baby currently uses baby’s only whey. But he constantly is spitting up and is constipated. I considered switching to Baby’s Only lactorelief, But the first ingredient is brown rice syrup, which concerns me. Hipp has a comfort formula that I have considered. But I’m just so confused about what’s best

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