Knowledge Base
Frequently Asked Questions
Ordering, shipping, and research — answered.
How long does shipping take?
Orders processed within 48 business hours Mon–Fri. Standard: 5–7 days. Expedited: 3–5 days.
What payment methods do you accept?
We accept Zelle and Cash App. Payment instructions are sent to your email automatically after ordering.
Do you offer refunds?
All sales are final. Contact harmonylabs5@gmail.com within 48 hours of delivery if your order arrives damaged.
Do you ship internationally?
No. Harmony Labs ships within the United States only.
Who can purchase?
Qualified researchers aged 21+. All compounds are for in vitro research only.
How should peptides be stored?
Lyophilized compounds: store at −20°C. Once reconstituted, refrigerate at 2–8°C and use within 4 weeks. Avoid freeze-thaw cycles.
Need research help?
Visit PepPal.io — an AI-powered peptide research assistant for compound comparison, reconstitution guidance, and laboratory research applications.
Still have questions?
