Sma wysoy soya infant formula is a nutritionally complete baby milk formula that can be used from birth for babies with a cows milk intolerance suitable for vegetarians sma wysoy provides everything your baby needs as an alternative formula sma wysoy is a nutritionally complete soya infant formula that can be the sole nutrition for babies up to 6 months when they are not being breastfed and for young children as part of the weaning diet and as a replacement for cows milk