MgO2 (Magnesium Caps)

MgO2 (Magnesium Caps) and 5 near-identical products are sold under 4 different brand names — a near-twin Formula Twins cluster.

Product	Brand
MgO2 (Magnesium Caps)	Douglas Laboratories
MgO2 (Magnesium Caps)	Douglas Laboratories
Vitamin C & Non-Citrus Bioflavonoids	Pharmax
ConstipAid	Advanced Nutrition by Zahler
MSM Complex	Progressive Professional from Progressive Laboratories
MSM Complex	Progressive Professional from Progressive Laboratories