Why Regena
The short answer for buyers on the fence.
Every peptide Regena ships is HPLC-verified above 99% by an independent third-party lab, sealed as a 10-vial research kit, and backed by a written re-ship guarantee if a parcel is lost or held at customs. We don't sell single vials, we don't hide behind a reseller tier, and we don't upcharge on COA access.
Six reasons researchers pick Regena
HPLC ≥99% purity
Every batch is analysed by an independent HPLC lab before it goes into inventory. Anything below 99% doesn't ship — no exceptions, no re-labelling.
COA on every order
Certificate of Analysis (purity, identity, water content) is attached automatically to each order and stored in your account for internal audits.
24-hour EU dispatch
Orders confirmed before 14:00 CET leave our Marbella hub the same day, tracked, insulated for cold-chain compounds, discreet packaging.
Free re-ship guarantee
If a parcel is lost by the carrier or seized at customs, we replace it once at no cost. Written into every order confirmation.
Talk to a scientist, not sales
The team answering WhatsApp and email is the same team releasing the batch. Zero sales-rep tier between you and the person who signed the COA.
No reseller markup
We manufacture and QC in-house instead of drop-shipping from an unknown warehouse, which is why the per-vial price is often 40–60% below single-vial competitors.
The written guarantee
Every kit is covered. If it doesn't reach your bench, we send another — free.
- Lost in transit — if the tracked carrier confirms non-delivery, a replacement ships within 48 hours at no cost.
- Held at customs — we cover one free re-ship per order if the parcel is seized or returned by border control.
- Below-spec batch — if any vial arrives cracked, discoloured or below the COA purity, we replace the affected units next-day.
- No paperwork wall — one WhatsApp message with your order number is all we need to trigger a re-ship. No forms, no photos-of-photos.
What buyers actually say
"Ordered on a Tuesday, in the lab Thursday morning. COA was in the box, exactly as described."
"The purity difference vs the previous supplier was visible on our first HPLC run. Not going back."
"Team answered a reconstitution question within 6 minutes on WhatsApp. That alone was worth the switch."
Meet the team
Chemists and researchers behind the COA — no faceless catalogue.
Meet them →
Press & mentions
Independent write-ups, research citations and community coverage.
See the coverage →
Still on the fence? Ask the team direct.
Free 20-minute consultation on compound selection, COA review, or shipping to your region. No sales pitch.