Frequently asked questions
What products does Hart & Kin offer?
Two single-purpose formulas: Nattokinase 10,000 FU for heart and circulation support, and R-Alpha Lipoic Acid 600 mg for nerve and antioxidant support.†
Are your products safe with my medication?
Always talk to your doctor before starting any supplement, especially if you take blood thinners, diabetes medication or thyroid medication, are pregnant or nursing, or have a medical condition. Never stop or change a prescribed medication on your own.
How should I store my supplements?
In a cool, dry place away from direct sunlight and moisture. Keep the lid closed and out of reach of children.
How many servings are in each bottle?
Each bottle or pack contains 30 servings: a full month when taken as directed.
Shipping, subscriptions & returns
How fast is shipping?
Shipping is free on every order. Orders are processed within 1–3 business days and ship with tracking. You’ll get a tracking link by email as soon as your order leaves our facility.
How does Subscribe & Save work?
Choose Subscribe & Save to get 25% off every delivery. Your next order ships automatically before you run out. Skip, pause, change or cancel anytime online. No contracts, no phone calls.
How do I skip, pause or cancel my subscription?
Use the Manage Subscription link in any order email or in your account. Cancel at least 24 hours before your next billing date to avoid the next charge. You can also email support@hartandkin.com and we’ll do it for you.
What is your guarantee?
You have 90 days from your order date to request a refund on unopened products. Email support@hartandkin.com first and we’ll send you return instructions. See our Return & Refund Policy for full details.‡
My order arrived damaged or incorrect. What now?
Don’t send it back. Email support@hartandkin.com within 14 days of delivery with your order number and a photo, and we’ll send a free replacement or a full refund.
Still have a question? We answer every message.
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