The Supplement Shop › Thorne Iron Bisglycinate 25mg Image 1 of 2 Image 2 of 2 Thorne Iron Bisglycinate 25mg $16.00 A well-absorbed form of iron that reduces gastrointestinal side effects*Should only be given to pets with veterinary or nutritionist guidance. Intended for clients whose pet recipes require it for balancing.Iron should not be added to your pet’s diet without clear instruction from your pet’s health team. Get notified by email when this product is in stock. Add To Cart Added! A well-absorbed form of iron that reduces gastrointestinal side effects*Should only be given to pets with veterinary or nutritionist guidance. Intended for clients whose pet recipes require it for balancing.Iron should not be added to your pet’s diet without clear instruction from your pet’s health team.