Vialo: Peptide Safety & Dosing
Precise dosing. Real education
$3.99 · Designed for iPad. Not verified for macOS.
Dose peptides safely and actually understand them. Precise reconstitution math, a real harm-reduction safety hub, and plain-English guides to 40+ compounds.
Vialo is built for people who take peptides seriously and need to get it right. It pairs a precise dosing calculator with a real safety and education library, so you know both the exact amount to draw and the reasoning behind it.
SAFETY FIRST, NOT AS AN AFTERTHOUGHT
The Safety Hub covers what actually keeps you safe: sterile handling and infection control, injection technique, rotating your sites, storage and stability, and how to recognize a bad product. You get clear guidance on which side effects are normal and which ones mean you should stop and seek care right away.
LEARN EVERY COMPOUND
Evidence-based, plain-English breakdowns of how each peptide works, typical dosing ranges, and how to handle it. More than 40 peptides are covered, including blends like GLOW and KLOW. No forum guesswork, no hype.
ACCURATE RECONSTITUTION AND DOSING
Enter your vial strength, the bacteriostatic water you added, and your target dose. Vialo shows the exact number of units to draw on an insulin syringe, with a clear "draw to this mark" indicator, plus concentration, doses per vial, and a warning when a dose is too large or too small to measure accurately. Tap any result to see how it was calculated.
PROTOCOLS AND REMINDERS
Save any dose as a protocol, set how often you take it, and check it off each day. Optional reminders stay on your device and keep you consistent without the clutter.
FIND THE RESEARCH
Search PubMed, Google Scholar, ClinicalTrials.gov, and preprint servers for studies on any peptide, without leaving the app.
PRIVATE BY DEFAULT
No account, no login, no tracking. Everything you enter stays on your device.
Vialo is an educational and harm-reduction reference tool. It is not medical advice and does not replace a licensed healthcare professional. Always verify your calculations and use sterile technique.
Ratings & Reviews
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This update turns Vialo into a full safety and learning companion.
New Safety Hub: injection technique, sterile handling, site rotation, how to spot a bad product, and a clear normal vs. red flag guide to side effects.
14 new peptides added, including the GLOW and KLOW blends.
Tap any calculator result to see what it means and how it was worked out.
A new high-contrast design and a cleaner typeface.
A first-launch safety note and clearer labelling of example values.
The developer, MATTHEW ELLIOTT ALEXANDER, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- MATTHEW ELLIOTT ALEXANDER
- Size
- 31 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - iPad
Requires iPadOS 16.4 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
18+
- 18+
- Contains
Health or Wellness Topics
- Copyright
- © 2026 Matthew Alexander

