About CanIStackThis
AI-powered supplement interaction analysis to help you stack supplements safely and effectively.
CanIStackThis was founded on the belief that supplement users deserve accurate, evidence-based information about supplement interactions and safety. We believe that access to comprehensive interaction analysis is essential for making informed decisions about supplement stacking.
Today that means a free interaction checker, a goal-based stack builder, and a label tally that totals the real milligrams across your products — all built on publicly available information from reputable medical websites. Premium adds personalization on top, including DNA-based analysis, Food & Absorption, and timing schedules. We don't sell supplements — no ads, no affiliate commissions — so nothing in our results is influenced by what anyone is selling.
What We Stand For
- Supplement safety
- Evidence-based analysis
- Data accuracy
- Equal access to information
Complex Interactions
Supplement interactions are complex and information is scattered across research papers and databases that are hard to access.
Safety Concerns
People struggle to understand which supplement combinations are safe and which could cause harmful interactions.
Time Consuming
Researching supplement interactions manually takes hours and often yields incomplete or conflicting information.
Trusted Medical Sources
We analyze publicly available information about supplements, their active compounds, and known interactions from reputable medical websites — including the NIH Office of Dietary Supplements, WebMD, Mayo Clinic, and Examine.com — rather than proprietary databases or clinical trial data.
AI-Powered Interaction Analysis
Our artificial intelligence system analyzes supplement combinations, potential interactions, and safety concerns to provide clear, actionable recommendations for safe supplement stacking.
Easy-to-Use Interface
Our intuitive search and analysis tools make it simple for anyone to check supplement interactions and build safe, effective supplement stacks, regardless of their scientific background.
CanIStackThis is built and run by one independent developer — not a supplement company, not a marketing team. It exists because supplement–medication interaction info is scattered across a dozen sites and easy to miss, and because the tools that did exist all wanted to sell you something.
This site doesn't sell supplements, run ads, or take affiliate commissions — the only way it makes money is if the Premium tools are genuinely worth paying for.
Questions or corrections: brittany@canistackthis.com — a human reads every message.
To Supplement Users
- Provide free access to essential supplement safety information
- Maintain the highest standards of data accuracy and scientific integrity
- Protect user privacy while providing valuable insights
- Continuously improve our platform based on user feedback
To the Supplement Industry
- Present information fairly and objectively based on scientific evidence
- Provide prompt correction of any inaccurate information
- Focus on consumer safety and supplement transparency
- Support transparency that elevates supplement safety standards
Have questions, suggestions, or want to learn more about our mission? We'd love to hear from you.