Press
For journalists
Is It Underdosed? is a free site that checks supplement labels against the doses used in published research. Every verdict is arithmetic on the label against a cited reference dose. It isn't medical advice and makes no health claims.
Key numbers
From our pre-workout label study (data pulled 11 Oct 2026), unless stated.
- 11 of 52 best-selling pre-workouts reach the research dose on every key ingredient they list; 21 reach it on none.
- Creatine: 18 list it, 2 give the 3 g a day studies used.
- Beta-alanine: 19 of 47 give the 3.2 g a day studies used.
- 16 of 52 (31%) hide at least one amount in a proprietary blend.
- Caffeine: the middle label has 200 mg a serving; 11 have 300 mg or more.
- On the site today: 449 products checked, 105 of them pre-workouts (methodology 1.11).
How every verdict is reached: methodology. What changed and when: corrections log.
Data
- Pre-workout label study, one row per product (CSV)
- How the products were picked: every rank read (CSV)
Free to use under CC BY 4.0 with credit.
How to cite
The site:
Is It Underdosed? (2026). isitunderdosed.com
The study:
Is It Underdosed? (2026). Pre-workout label study 2026. https://isitunderdosed.com/research/pre-workout-label-study-2026/
Please link to the page you quote: each product page shows the label date and the sources behind its verdict.
Logos
Please don't recolour or stretch the mark. The lime is #C8F031 on ink #0D0F0E.
Contact
hello@isitunderdosed.com. Written and maintained by Jose Pollman. Last updated 11 Oct 2026.