About GuruHealthline
Last updated Oct 14, 2026
GuruHealthline exists for one reason: most supplement advice online is either a sales page or a wall of jargon. We write the guide we wanted to find, one that tells you what the research actually shows, what it doesn't, and how to use that when you buy.
What we cover
- Dosing and safety: how much to take, when, and what not to combine.
- Comparisons: which form of a nutrient fits which goal, and why.
- Ingredient guides: what a supplement is, what it might help with, and how strong the evidence is.
How we research
Each guide starts from primary and official sources: the NIH Office of Dietary Supplements, the National Center for Complementary and Integrative Health, position stands from professional societies, and peer-reviewed trials and meta-analyses. Every claim that matters links to its source at the bottom of the page. Read the full editorial policy.
Who we are
GuruHealthline is written by an independent editorial team. Author profiles with qualifications are listed on each article.
Company information
GuruHealthline is owned and operated by SPARKX MARKETING CO., LIMITED.
| Legal name | SPARKX MARKETING CO., LIMITED |
| Business type | Foreign Profit Corporation |
| Washington UBI number | 605 014 114 |
| Registered | December 30, 2022 |
| Principal office | 411 108th Avenue Northeast, Suite 700, Bellevue, WA 98004, United States |
See our contact page to get in touch.
How we make money
Some links on this site go to stores such as Amazon. If you buy through them we may earn a small commission, at no extra cost to you. Retailers never pay for placement and never see an article before it's published. Details are in our affiliate disclosure.
Contact
Spotted an error or an outdated study? Email us at editor@guruhealthline.com and we'll review it.