Frequently asked questions

Your chosen supplements shipped monthly with free shipping in the US, plus full access to the Pith app. Tier details and current pricing live on the Bundles page.

Yes. Cancel or pause from your account dashboard at any time. Month-to-month, no contracts, no phone calls. The Cancellation Policy spells out exactly what happens to billing, shipments, and app access in each case.

Monthly, on the anniversary of your sign-up. We send a reminder email a week before each renewal so there are no surprises, and you can update your payment method anytime from your account.

Yes. From your account, you can edit your bundle contents and swap one supplement for another from our catalog. Changes take effect on your next shipment.

Shipments stop at the end of your current billing period. You can keep the app on its own subscription, or your account reverts to the free tier. Your training data and history are preserved either way.

Every ingredient and dose is listed on the product page. No proprietary blends, no hidden actives. Browse every ingredient and the evidence behind it, or see all products →

Each formulation uses doses and forms supported by published research. Some ingredients carry specific cautions (thyroid conditions, caffeine sensitivity, certain medications) that are called out on each product page. If you have a health condition or take prescription medication, talk to your healthcare provider before starting, and read our Medical Disclaimer.

Yes. The catalog is designed for safe stacking, with different mechanisms and no known interactions between Pith products at these doses. If you're on other supplements or prescription medications, talk to your healthcare provider before combining.

Short daily sessions across multiple cognitive domains. Difficulty adapts to keep you in the zone where learning happens, and the sessions space out across the week so the practice adds up.

Training data is visible from day one. Each product page lists how long the published studies ran. Your baseline takes a couple of weeks of consistent sessions, and your logged supplement days appear next to it.

Your own dataset, over time. As you train, your scores, trends and baseline build. Days you log a supplement are shown beside them. What you make of it is yours; see our Medical Disclaimer.

Pith scores describe your performance on the app's exercises. They are not a clinical or diagnostic assessment.

Free on every subscription order in the US. One-time purchases use standard rates calculated at checkout.

Currently the United States only.

Tracking is emailed to you when your order ships. You can also check status from your account. Processing and delivery timelines are in the Shipping Policy.

A 30-day money-back guarantee on your first order. Email support@trypith.com and we'll handle it. The Refund Policy covers the full terms, including how subsequent orders work.