Viviscal does not state any side effects on its website.
However, if a person experiences any adverse effects from taking this supplement, they should discontinue use immediately and contact a doctor.
Additionally, Viviscal contains ingredients that can cause allergic reactions to those with allergies to fish or shellfish. People with these allergies should seek immediate medical attention if they consume Viviscal.
Allergic reaction symptoms include redness, rash, and swelling of the face, lips, and airway. Some people may experience nausea, vomiting, and finding it difficult to breathe.