Known side effects of Extend Hair Tablet include Nausea, stomach upset, constipation/diarrhea, headache, acne-like rash (occasionally with biotin), allergic reactions (rare). Not everyone experiences these side effects.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026
This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.
Extend Hair Tablet may interact with the following:
Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.