Last updated: August 20, 2026
Programs, plans, Fuel protocols, and Arsenal membership access are delivered digitally and unlocked immediately after successful payment. Because access begins at purchase, you waive any statutory cooling-off period to the maximum extent permitted by law.
MasterVein does not offer refunds for change of mind, unused access, partial completion, scheduling conflicts, or dissatisfaction with results. Results depend on adherence, nutrition, sleep, and individual physiology.
If you believe a charge is in error, email support@mastervein.com first. Filing a chargeback or payment dispute after receiving access is a material breach of these terms.
Access is licensed to the purchasing email. Sharing credentials is prohibited. Authentication is email and password only (no social login).
Support: support@mastervein.com
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