Frequently Asked Questions
Everything you need to know about our premium supplements and service.
How can I track my order status?
Once your order is shipped, you will receive an email containing a tracking number and a link to the carrier's website to monitor your delivery in real-time.
What is your return policy for opened products?
We offer a 30-day satisfaction guarantee. If you are not happy with your purchase, you can return the product even if it has been opened for a full refund or store credit.
Do you offer international shipping?
Yes, we ship to over 50 countries worldwide. Shipping costs and delivery times vary by location and will be calculated at checkout.
Are your supplements third-party tested?
Quality is our priority. All OptimumNutrition products undergo rigorous third-party testing for purity, potency, and the absence of banned substances.
Which payment methods do you accept?
We accept all major credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, and interest-free installment plans through Klarna or Afterpay.
How should I store my supplements?
To maintain maximum freshness and efficacy, store your supplements in a cool, dry place away from direct sunlight and ensure the lid is tightly sealed after each use.