found 4 items as list below
Beaphar Care+ Guinea Pig Complete Food All in one with Vitamin C (250g, 1.5kg)
Vetafarm Origins completely balanced cavy diet, with stabilised vitamin C (350g, 1.5kg.)
Complete Cavia Elderberry + Timothy (500g, 1.75kg), Versele Laga
PUUR Guinea Pigs Gourmet muesli papaya and beetroot, Rich in Vitamin C (700g,2.5kg)