Last updated 27 May 2026.
We're happy to answer questions about our products, your order, returns, or the Pregnancy Refund Offer. The fastest way to reach us is by email; we typically reply within one business day.
Email us
- Customer service: customerservice@fertility-smart.net
- Privacy queries: customerservice@fertility-smart.net (please put “Privacy” in the subject line)
We monitor email Monday to Friday, 9am to 5pm UK time. Messages sent at the weekend are picked up first thing on Monday.
Write to us
- Customer Service, Cognitive Bioscience Ltd, 1 Coldbath Square, London EC1R 5HL, United Kingdom
Before you get in touch
You may find your answer faster on one of these pages:
- Questions — ingredients, dosage, timing, IVF compatibility, pregnancy and breastfeeding, the Pregnancy Refund Offer
- Shipping & Returns — delivery times, tracking, your 14-day cancellation right, how to return an order
- Pregnancy Refund Offer — qualifying conditions and the step-by-step claim process
- Terms & Conditions and Privacy Policy — the legal framework that governs your purchase and your data
Send a message using the form below
By submitting this form you agree to us using the information you provide to respond to your enquiry. We process it under your consent and for our legitimate interest in providing customer service — see our Privacy Policy for the lawful bases, retention periods, and your rights.