The National Agency for Food and Drugs Administration and Control (NAFDAC) has warned Nigerians against use of four products found to contain potent medicinal ingredients, steroids and other banned substances.

Its Director-General, Prof. Mojisola Adeyeye, in a public alert on Sunday said that the implicated potent medicinal ingredients are not allowed in the affected products and may cause severe side effects on consumers.

She said that the products also contain sibutramine (a banned weight loss medicine) and tadalafil (an erectile dysfunction medicine).

According to her, possible adverse effects of potent ingredients found in the products are: Dexamethasone and Prednisolone, which can cause increased blood glucose levels, which she said my lead to diabetes, high blood pressure, cataracts, increased risk of heart attacks and strokes, migraine, fast heart rate, hallucinations or hearing voices, muscular and bone disorders.