The guide

What is kava?

A plain-English guide to the Pacific root behind Instant Calm: where it comes from, how it works, what it feels like, and who should skip it.

A kava plant with heart-shaped leaves

The plant

A pepper-family shrub with a famous root.

Kava is a leafy shrub with big, heart-shaped leaves that grows across the islands of the South Pacific.

The plant itself is mild and unassuming. What matters is the root system, which builds up its active compounds slowly as the plant matures. Farmers typically wait several years before harvesting, then dry the root and grind it into a fine powder.

Botanical name
Piper methysticum
Plant family
Pepper (Piperaceae)
Part used
The root
Active compounds
Kavalactones
Native region
South Pacific islands
Also called
Yaqona or grog (Fiji), ʻawa (Hawaiʻi)
Kava growing on a volcanic hillside in Fiji

The tradition

Shared for generations, not sipped alone.

Across Fiji, Vanuatu, Tonga and Samoa, kava has long been at the heart of community life. It's served to welcome guests, to mark ceremonies and agreements, and simply to wind down together after a day's work.

Traditionally the root is pounded or ground, kneaded in water through a cloth, and passed around in a coconut-shell cup. In Fiji and Vanuatu, evening kava sessions remain a part of everyday life today.

How it works

Kavalactones: the compounds behind the calm.

Kava's effects come from a family of natural compounds called kavalactones, concentrated in the root.

01

They work with your calming system

Research suggests kavalactones influence GABA signalling, the network your brain uses to slow itself down.*

02

They ease over-busy signals

Kavalactones appear to temper how readily nerve cells fire, which is why a racing mind tends to settle.*

03

They're why consistency matters

Kavalactone content varies a lot between roots. Standardizing the extract is how you get the same result every time.

How it feels

What to expect from your first cup.

Everyone's a little different, but this is how people most often describe it.

  1. First sips

    A peppery tingle

    A light numbing on the lips and tongue. It's a normal sign of kavalactones and fades within minutes.

  2. 20–40 minutes

    The settle

    Muscles loosen, your mood lifts a little, and conversation comes easily, while your head stays clear.*

  3. Over a few sessions

    It tends to build

    Kava drinkers often describe "reverse tolerance": the same serving can feel more noticeable after the first few tries. If your first cup is subtle, give it a week.

Noble kava

Not all kava is the same.

There are many kava cultivars, and they're broadly grouped into two kinds.

What we use

Noble varieties

The cultivars traditionally chosen for regular, everyday drinking. Valued for a pleasant, balanced effect that clears without lingering into the next day.

What we avoid

Tudei ("two-day") varieties

Stronger cultivars known for longer-lasting effects and more next-day heaviness. Vanuatu's kava laws restrict their export for drinking. You won't find them in Instant Calm.

Safety

Who should skip kava.

Kava is well tolerated by most adults, but it isn't right for everyone. Please don't take it if you:

  • Are under 18, pregnant or breastfeeding
  • Have, or have had, liver problems
  • Take prescription medication, especially sedatives, anti-anxiety or thyroid medication, without asking your doctor first
  • Plan to drink alcohol, drive or operate machinery before you know how it affects you
The FDA advises that a potential risk of rare, but severe, liver injury may be associated with kava-containing dietary supplements. Stop use and see a doctor if you develop symptoms that may signal liver problems, such as unexplained fatigue, abdominal pain, loss of appetite, fever, vomiting, dark urine, pale stools, or yellow eyes or skin. Read our full safety page.
Pouring an Instant Calm stick into a glass of iced water

Kava, made easy

All the tradition. None of the strainer.

Instant Calm packs 2g of Fiji-grown noble kava extract (200mg kavalactones) with five calming botanicals into a single Piña Colada stick. Tear it, pour it into something cold, stir and sip.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This page is for general information and isn't medical advice.