American Health & Fitness Magazine American Health Vitamins, Nutrition, Products, Information and Supplements

black stool what can it be?

i have a smelly black/brown stool what can be the cause? i drank 2 packets of emergen c can this be it? here is whats in emergen c

Calories 14 N/A*

Total Fat 0 N/A*

Sodium 60 Mg 2.5%

Total Carbohydrate 3.5 Gm 1.2%

Sugars 3.4 Gm N/A*

Protein 0 Gm N/A*

Vitamin C (As Mineral Ascorbates) 1000 Mg 1111%

Vitamin B1 (Thiamine HCL) 0.38 Mg 25%

Vitamin B2 (Riboflavin) 0.43 Mg 25%

Special Niacin Complexes 5 Mg 25%

Vitamin B6 (Pyridoxine HCL) 10 Mg 500%

Folic Acid 12.5 Mcg 3.1%

Vitamin B12 (Cyanocobalamin) 25 Mcg 416%

Pantothenic Acid 2.5 Mg 25%

Potassium 200 Mg 5.7%

Magnesium 60 Mg 15%

Calcium 50 Mg 5%

Zinc 2 Mg 13%

Manganese 1 Mg 50%

Chromium 10 Mcg 8.3%

Alpha-Lipoic Acid