Oath Promo Codes
Oath Shipping, Delivery, and Returns
Shipping and returns matter as much as the discount does. Here's exactly how Oath Research ships orders, what 'free shipping' actually requires, and what happens if something goes wrong with an order after it's already on its way. None of it is complicated, but the details are easy to skim past when you're focused on the discount.
Everything below comes from Oath's own stated policy, not from guessing or from what someone reported once in a forum post. Where the wording matters — like the difference between a shipping guarantee and a delivery guarantee — we've kept it precise instead of rounding it up into something friendlier than it actually is. That distinction ends up mattering more than it sounds like it should, especially if a package ever runs a day behind schedule.
How Fast Orders Ship
Most orders go out on 2-day business air, typically through UPS. Order before 12:00 p.m. Mountain time on a weekday and it ships that same day, no extra step required on your end. Order after the cutoff, or on a weekend or federal holiday, and it ships the next business day instead.
Here's the distinction worth understanding: Oath guarantees dispatch on that schedule, not a delivery date. Once your package leaves their warehouse, the carrier controls transit time, and weather or regional delays are outside Oath's control entirely. So '2-day air' describes the shipping method and the dispatch promise, not a guaranteed arrival date — a subtle difference, but a real one.
Every shipment comes with real-time tracking, so you're not guessing where your order is once it's moving. Oath ships within the United States only — there's no international option right now, and that holds regardless of order size. If you're ordering from outside the US, there's currently no path through Oath's checkout to get there.
Free Shipping Over $250
Orders over $250 ship free. That threshold is Oath's own stated policy, and it's shown in your cart before you check out, so you'll know whether you've cleared it before you pay anything at all.
Under $250, standard shipping rates apply, calculated at checkout based on your order and destination. There's no separate code needed to unlock free shipping — crossing the $250 mark on your own is what does it, automatically, with nothing to enter.
If you're close to the threshold, it's worth checking your cart total before applying a promo code, since the two work independently rather than against each other. A code changes your total; it doesn't change how the shipping threshold gets measured, so a discount won't accidentally push you back under $250. Both work in your favor at the same time, not against each other. It's one of the few places where using a discount and clearing a shipping threshold don't pull in opposite directions.
What's Covered If Something's Wrong
Oath refunds or replaces product in a specific set of cases: the item doesn't meet its stated specifications or purity, it arrives damaged in transit (photograph the damage within 48 hours), the wrong item was shipped, tracking shows delivered but it never arrived, or a duplicate order is caught before it ships.
There's no restocking fee on an approved return. Once approved, refunds land back in your account in 5-7 business days, and Oath says it responds to return requests within 24-48 hours of hearing from you. That's worth knowing before you order, not after something goes wrong.
What isn't covered: opened or used product, damage from improper storage after delivery, cancellation after an order has already shipped, and a plain change of mind. That's a fairly standard policy for research material — most vendors in this space draw the same line, and it's worth knowing upfront rather than after you've already opened something.
Payment and Support
Oath accepts Visa, Discover, and American Express, plus direct bank payment. Mastercard isn't currently listed as an option, so don't expect to see it at checkout. Checkout runs through a PCI-DSS compliant payment gateway, per Oath's own stated security practice.
One thing Oath won't do: advise you on dosing, reconstitution, or how to use anything you order. That's not a support gap — Oath sells research material, and staying out of dosing and protocol questions is the correct posture for a vendor in that position, not a shortcoming to work around.
If you have a question about an actual order, Oath's own shipping and returns FAQ covers the full policy language in their own words, and their published phone number reaches a person faster than the contact form, which requires an account before you can submit anything through it. That's worth knowing if you're trying to reach someone quickly rather than waiting on an email reply.
Ready to use a code?
Copy either code above, then paste it into the discount field at checkout. The 20% code is for first orders; the 15% code works every time.