Payment Policy

David Protein provides secure USD checkout and the card-payment terms below for United States customers.

About Credit/Debit Card

Credit and debit card checkout at David Protein supports Visa, Mastercard, Maestro, American Express, JCB, Diners Club, and Discover, with USD as the sole settlement currency.

Billing Accuracy, Review, and Taxes

Accurate billing and contact information is required. David Protein may review or cancel a transaction that cannot be authorized or presents a material fraud risk.

Applicable legal tax rules determine the amount collected at checkout; no fixed tax-free treatment is represented by David Protein.

Card-Issuer Decisions

David Protein relies on Shopify and approved payment processors for encrypted handling and does not store a customer’s full card number or security code.

A customer’s financial institution determines whether to authorize, hold, verify, or decline the card transaction submitted through David Protein.

Approved Payment Refunds

An approved refund is returned to the original payment method and must reach that method within 5-10 business days. Questions may be sent to support@davidproteingain.shop or 512-571-9572 during Monday to Friday, 9:00 AM–5:00 PM (Pacific Time (PT)).

Store Contact Record

Legal business name: David Protein
Storefront name: David Protein
Customer care email: support@davidproteingain.shop
Customer care phone: 512-571-9572
Mailing and return address: 2210 Rogers Rd, Darlington, South Carolina, 29532, United States
Support availability: Monday to Friday, 9:00 AM–5:00 PM (Pacific Time (PT))