The Claim

Cyclocreatine uptake in HEK293 cells exhibits time-dependent and saturable kinetics, consistent with carrier-mediated transport rather than passive diffusion, suggesting that cyclocreatine may be a substrate for active transport systems such as the creatine transporter.

Source: Cyclocreatine Transport by SLC6A8, the Creatine Transporter, in HEK293 Cells, a Human Blood-Brain Barrier Model Cell, and CCDSs Patient-Derived Fibroblasts

What the research says

Roughly balanced

Support and challenge are close. The picture may shift as more studies come in.

Supports

4score

Challenges

0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

How it works

1 study reviewed

In plain English

Cyclocreatine gets into kidney cells in a way that looks like it's being actively carried in, not just drifting in on its own—kind of like being carried through a door instead of seeping through a wall.

See the scientific wording

Cyclocreatine uptake in HEK293 cells occurs in a time-dependent and saturable manner, indicating carrier-mediated transport rather than passive diffusion, which supports its potential as a substrate for active transport systems like the creatine transporter.

What the research says

1 study

Study: Cyclocreatine Transport by SLC6A8, the Creatine Transporter, in HEK293 Cells, a Human Blood-Brain Barrier Model Cell, and CCDSs Patient-Derived Fibroblasts
The study shows that cyclocreatine gets into cells in a controlled way using a specific cellular doorway, not just by drifting in, which supports the idea that it can be actively transported like creatine.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.