Father's Day Gift Idea: An Honest Look at Cat's Claw Tea

Father's Day lands on June 21 this year, and if you've looked at any gift guide lately, you already know the formula: a grill tool, a six-pack of craft beer, socks with a joke printed on them. Here's a different idea, one that's been part of an actual daily ritual in the Peruvian Amazon for generations: a tea made from the bark of a vine most people have only heard of because it shows up on supplement labels, cat's claw.

The vine that climbs by hooking onto trees

Uncaria tomentosa, known in Peru as uña de gato (literally "cat's claw"), is a woody vine native to the Amazon basin, especially the regions around Madre de Dios and Ucayali in southeastern Peru. It gets its name honestly. Along its stem are small, curved thorns that look exactly like a cat's claws, which the plant uses to hook onto and climb the trunks of much larger rainforest trees, sometimes reaching 30 meters or more into the canopy.

An old recovery ritual, not a new trend

Amazonian communities, including the Asháninka, have used cat's claw bark for generations, typically as a tea brewed after physically demanding work in the fields or forest. The traditional framing isn't "performance enhancement." It's closer to recovery: something to drink at the end of a long day to help the body settle down. That's a pretty good description of what a lot of dads could use after a weekend of yard work, a round of golf, or a long bike ride.

Tea bag vs. supplement-aisle capsule

If you've shopped for cat's claw before, you've probably seen capsules marketed around two specific compounds in the bark: pentacyclic oxindole alkaloids (POAs) and tetracyclic oxindole alkaloids (TOAs). Some research suggests these two groups can work against each other, which is why standardized extracts are often labeled "TOA-free." Tea is a different format. It's the whole, dried bark steeped in hot water, closer to how it's traditionally been used, lower in concentrated alkaloids than a standardized extract, and meant for a daily cup rather than a measured clinical dose. Neither format is better across the board. They're just different tools. For someone who wants a daily ritual rather than a supplement regimen, tea is usually the easier entry point.

What recent research actually says

Cat's claw has been the subject of a fair amount of lab research, including a few systematic reviews published in 2025 looking at its anti-inflammatory and immune-modulating properties. The bark contains proanthocyanidins and alkaloids that, in lab and animal studies, show measurable anti-inflammatory and immune-system effects. That said, multiple reviews are blunt about the limits. As one summary put it, the benefits of cat's claw products "are not well defined." There isn't a large, well-designed human trial showing that a daily cup of cat's claw tea reduces joint pain in, say, men over 50. What exists is a long traditional use, a plausible biochemical mechanism, and early-stage research that hasn't yet been confirmed in the kind of trials that would let us make a real claim. We think that's still a reasonable basis for "worth trying," just not for "guaranteed to work."

Why it might actually make a decent gift

The honest pitch here isn't "this will fix your dad's knees." It's smaller than that. It's a simple, low-effort ritual, steep a bag for 8 to 10 minutes and drink it after a long day, that fits naturally into a routine a lot of men already have, like the post-yard-work beer or the after-the-game stretch. Pair it with a good mug and maybe a bag of boldo tea for after a big Father's Day lunch, and it reads less like a novelty gift and more like something he'll actually use past the first week.

A few things worth knowing first

Cat's claw has documented immune-modulating effects, which means it's not a great match for anyone on immunosuppressant medication, anyone with an autoimmune condition like lupus or rheumatoid arthritis, or anyone scheduled for surgery in the near future (stop at least two weeks out, and check with a doctor first). It may also interact with blood thinners and blood pressure medication. If your dad takes prescription medication regularly, it's worth a quick conversation with his doctor before this becomes a daily habit. Pregnant or breastfeeding women should skip it as well.

Browse our full joint and inflammation support collection for other options if tea isn't his thing.

*These statements have not been evaluated by the FDA. Cat's Claw Tea is not intended to diagnose, treat, cure, or prevent any disease.