Its trophy shelf says yes: Doozy has picked up multiple UK industry awards, and its recipes have stayed stable for years, which matters more than marketing. If you like dessert profiles that do not turn sickly by mid-afternoon, it is one of the safest picks in the store.
Kinder than most dessert liquids, yes. The blends are lighter on sweetener than the typical candy-style juice, so coils gunk up slower. The 10ml 50/50 bottles in particular run happily in small pod coils that sweeter brands would kill inside a week.
Yes, the 10ml range is a 50/50 blend suited to pod kits and starter tanks, in the standard freebase strengths. The Legends 100ml shortfills are a thicker high-VG mix and belong in sub-ohm hardware.
Only if you want nicotine: they ship at 0mg with space for two shots, which brings the mix to roughly 3mg. Add nicotine shots to your order and shake well after mixing.