Mylanta Regular Strength: Liquid: Each 5 mL of sugar-free, lemon- and mint-flavored suspension contains: dried aluminum hydroxide gel 200 mg (equivalent to 153 mg aluminum hydroxide), magnesium hydroxide 200 mg and simethicone 20 mg. Nonmedicinal ingredients: carbomer, citric acid, hydroxypropyl methylcellulose, flavors, parabens, sorbitol and water. Energy: 10.1 kJ (2.42 kcal)/5 mL. Sodium: <1 mmol (3.2 mg)/5 mL. Gluten-, lactose-, sucrose-, sulfite- and tartrazine-free. Bottles of 350 mL.
Maalox:Medicinal Ingredients: Each teaspoonful (5 mL) contains 200 mg magnesium hydroxide, 200 mg aluminum hydroxide dried gel (equivalent to 153 mg aluminum hydroxide) and 20 mg simethicone.
Non-medicinal Ingredients: butylparaben, flavour, hydroxypropyl methylcellulose, microcrystalline cellulose, propylparaben, sodium carboxymethylcellulose, sodium saccharin, sorbitol and water. Na+ content: 2.84 mg per 5 mL.
Pepto Bismol is made with the active ingredient Bi****h Subsalicylate, with 262 mg per 15 ml dose. This ingredient is formulated to relieve and upset stomach and diarrhea.
The inactive ingredients in Pepto Bismol include benzoic acid, flavor, magnesium aluminum silicate, methylcellulose, red 22, red 28, saccharin sodium, salicylic acid, sodium salicylate, sorbic acid, and water.
There is your comparisons. It looks like Maalox is identical to Mylanta but for me, only the latter really works.
I would not take Pepto for C or gas because it's typically taken for D.