CODE LAB™ · Interactive tool
WHERE DOES YOUR SUPPLEMENT SIT ON THE EVIDENCE LADDER?
Enter an ingredient, the amount on your label and the outcome you care about. See how research on that ingredient is generally rated—and how your dose compares to amounts used in studies.

The evidence ladder
CITICOLINE · ATTENTION
Your product’s position
RUNG 04 · SOME RANDOMIZED HUMAN TRIALS
- 01 · Biological plausibility
- 02 · Lab / animal research
- 03 · Early or observational human data
- 04 · Some randomized human trialsYour product sits here
Controlled trials exist but are limited, small, mixed or population-specific.
- 05 · Consistent body of human evidence
- 06 · Finished-product trial
Ingredient research does not prove a finished multi-ingredient product works. Only trials of the product itself reach this rung.
Why it landed there
- Citicoline research for “Attention” generally sits at rung 4 (Some randomized human trials).
- Enter an amount to let your dose adjust the position.
Caveat: A small number of randomized trials, often in specific groups; replication is limited.
Your dose
Enter the amount from your label to compare it with commonly studied amounts.
A RUNG IS NOT A RATING.
This tool summarizes the general state of published research for educational purposes. It does not score products, judge safety or tell you what to take. Evidence changes, individual needs differ, and supplements can interact with medications—talk to a qualified healthcare professional before starting or changing anything.
Explore the full evidence labThese statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Studied ranges are approximate and drawn from published human research summaries, including NIH Office of Dietary Supplements fact sheets.
