Does lactogen make babies fat? The sister elaborated on the composition of these fuller formulas, highlighting that they contain more casein protein than whey. This means that they have an added thickener and reduced lactose concentration. ... The formula itself will not cause obesity, only overfeeding will do this.

What formula helps babies gain weight?

Pass it on: Feeding a baby protein-hydrolysate based formula may help him to gain weight at the same rate as breast-fed baby, instead of the accelerated rate often seen in babies fed cow's milk-based formula.

Does baby formula make baby fat?

A study published online Monday in the journal Pediatrics finds that babies fed a particular type of infant formula put on more weight than other babies and continued to gain weight faster than their counterparts during the first 7.5 months of life.