Website orders are fulfilled and shipped typically within 5–7 business days within the U.S.

You can check the status of your order by going to your Account and viewing your Order History.  If your order has been assigned a tracking number and you have questions about delivery, please reach out to the carrier for more information.

Implementing age verification and signature requirements during shipping incurs additional costs for compliance and administrative processes, leading to the inclusion of an extra shipping charge for affected orders.

If no one is available to sign for the package containing products subject to age verification, the delivery will not be completed, and alternative arrangements may need to be made with the shipping carrier.

*Note this question only pertains to orders shipping to New York.

You can find the tracking number for your order by logging in your account and viewing your Order History. Click the order you wish to track.

Enjoy free shipping on U.S. orders over $50. Orders under $50 incur a flat $6.99 rate.

We do not currently ship internationally. International customers can shop DaVinci® Laboratories products through our trusted retail partner, iHerb.

The expiration date is located next to the lot number on the back of the package or bottle. The lot number consists of 9 digits, followed by a space, and then 4 digits indicating the expiration month and year.

For example, if the lot number is 999999999 0122, the product expires in January 2022.

We recommend discontinuing use after the expiration date for best quality and effectiveness.

Although this is a very rare occurrence, please return the product to your retailer if it’s improperly sealed. You will be provided with a replacement product at no additional cost. Please contact us at 1-800-325-1776 should you have any difficulty with this process.

Our products do not require refrigeration unless otherwise noted on the packaging. Please store in a cool, dry place.

DaVinci® supplements are manufactured in the US with domestic and imported ingredients. Our products are manufactured in an SQF-certified facility that strictly adheres to Current Good Manufacturing Practices (cGMP) as outlined by the Food and Drug Administration.

DaVinci® is required by the state of California to include this warning on some of our product labels. We do not add lead or other harmful chemical to our products. However, some products with natural ingredients may contain trace amounts of lead and therefore require a Prop 65 warning based on California's regulations. These products are considered safe for daily intake. Please visit Our Quality page to learn more about our quality standards.

No, a prescription is not required to purchase DaVinci® supplements. They are available for individual customers and doctors through our website and other online retailers.

DaVinci® products are sold internationally in select locations. Please contact us via email international@foodsciencecorp.com to determine availability in your location.

We offer a wide range of educational materials to help you determine the best supplement for you or your patients. Please visit our Learning Center for white papers, blog posts and product videos by health practitioners that provide more information about the benefits of supplements. However, you may also want to speak with your healthcare practitioner to help you determine the best supplements for your personal health needs.

We do not recommend off label usage of any of our products. While they would not cause harm if ingested by children, DaVinci® supplements are intended for adult consumption unless otherwise indicated. Little DaVinci® supplements are specifically formulated to meet the healthcare needs of children.

We use high-quality ingredients sourced in the U.S. and globally. Regardless of their origin, all of our ingredients undergo extensive third-party testing to ensure their safety, purity and efficacy. We pledge truth in labeling and are committed to transparency regarding the ingredients used in our products.

We are unable to make recommendations due to regulations, but we do recommend that you reach out to your healthcare practitioner or a naturopath. We also recommend taking a look at our learning center and protocol guides.

DaVinci® supplements can often be administered simultaneously. However, we always recommend consulting with your healthcare practitioner to determine if a combination of supplements is suitable for you or your patients.

Increasing the dose is not recommended unless specifically noted on the packaging.

In many cases, DaVinci® supplements can be combined with medication. However, we recommend consulting with your healthcare practitioner to determine if the combination is suitable for your individual needs.

Yes, we offer a 60-day satisfaction guarantee for all products purchased from an authorized reseller. If for any reason you're not satisfied with your purchase, you may request a refund or replacement product from the retailer. The 60-Day Satisfaction Guarantee is not available for products purchased from unauthorized sellers, unless otherwise prohibited by law.

Products may be returned if in original packaging and unopened condition within 30 days of purchase date.  Returns must be sent freight prepaid. Customer is liable for original freight charges, whether or not a freight allowance was applied to the original order. All returns after 30 days are subject to a 20% restocking fee. No returns after one year.

Log into your account and click on the Manage Subscription link in our website footer or from your profile page.

DaVinci Labs is a part of FoodScience LLC, which is located at 929 Harvest Lane, Williston, VT 05495. 

Sales tax is calculated based on the tax rate within the state or different jurisdictions within that state if applicable. In states where we collect sales tax, direct-to-consumer orders will now include the calculated sales tax based on the total order.

Companies that sell products directly to consumers must collect and remit sales tax to individual states and jurisdictions when specific thresholds are met. FoodScience (parent company of DaVinci Laboratories) has met these thresholds in many states, so now must collect and remit sales tax.

Sales tax is based on the tax rate in the state/jurisdiction that the order is shipped to.

The bill was put into effect in the state of New York on April 22nd, 2024. The law imposes limitations on the retail of over-the-counter diet pills and dietary supplements intended for weight loss or muscle enhancement to individuals under 18 years old. The products affected by this regulation are those designed, advertised, or presented with the intention of facilitating weight loss or muscle building. It forbids the sale of these products to individuals under the age of 18 without parental consent.

Products affected by this regulation are those designed, advertised, or presented with the intention of facilitating weight loss or muscle building. All products affected by this bill will have a clear statement as such on the product page of each individual item.

Yes, you can still purchase all products on davincilabs.com. However, for products falling under this category, an individual over the age of 18 must be at home to sign and verify their age upon receiving the package. There will be an additional shipping charge of $9.30 for orders containing these products.

DaVinci® products are sold online and through healthcare practitioners. You can buy our products directly through our website, on e-commerce sites like Amazon, or at participating doctor's offices.