my bub was on s26 gold in hosp I swapped to the normal s26 on release I found the gold tended to constipate ... him

I hold almost the same as when I tried b/f same simila hold same position

you can use infants friend from birth most others are over 1 month etc, IF is great can be added straight to the bottle, if you find he has a lot of wind things to check is he gulping the teat might be too fast, or is he sucking too hard thus teat is too slow