Frequently Asked Questions
Everything you need to know about our latest collections and services.
How do I determine the right size for my order?
Each product page features a detailed size guide with specific measurements. We recommend comparing these measurements against a similar garment you already own for the perfect fit.
What is your return policy for apparel?
We offer a 30-day return policy for all unworn items with original tags attached. Please note that for hygiene reasons, swimwear and intimate apparel cannot be returned unless defective.
How long does shipping take?
Standard shipping typically takes 3-5 business days within the continental US. International shipping times vary by location but generally range from 7-14 business days.
Can I track my order once it has shipped?
Yes, as soon as your order leaves our warehouse, you will receive an email notification containing a tracking number and a link to follow its progress.
What payment methods do you accept?
We accept all major credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, and flexible financing options through Klarna and Afterpay.
How should I care for my 21st Century Vitamins garments?
To ensure longevity, we recommend following the care label instructions on each piece. Most of our high-quality fabrics benefit from cold washing and air drying.