Rows of soursop trees in a misty tropical orchard at dawn, fruit hanging from the trunks

Annona muricata · Annonaceae · A field guide

The most misreported fruit on the internet, explained properly.

Real nutrition, genuinely unusual chemistry, and a body of research far more interesting — and far more limited — than the headlines suggest.

Start here See the evidence

Binomial: Annona muricata
Family: Annonaceae
Native to: Tropical Americas
Tree height: 4–10 m
Fruit weight: 1–4 kg
Ripe shelf life: 2–3 days

Three numbers

What people get wrong, in figures

3.3 g Fiber per 100 g Second only to guava among nine common fruits — and double a mango.

15× Price gap, origin to US shelf About $1.63/kg in Colombia against roughly $26/kg in US specialty retail.

2 days Shelf life once ripe Which is the whole reason you meet it as juice rather than as fruit.

A ripe soursop hanging from a branch, its dark green skin covered in soft curved spines

In brief

What soursop actually is

The fruit of Annona muricata, a small evergreen native to the tropical Americas and now grown across the Caribbean, Latin America, West Africa and Southeast Asia. It is the largest fruit in its genus: a heart-shaped, dark-green syncarp covered in soft, curved spines — which bend, and are the quickest way to tell it from a durian.

Inside is a creamy white pulp tasting of strawberry and pineapple over a custard body. The seeds are never eaten. Separately, its leaves are brewed as a caffeine-free tea — a different product from the fruit, and the source of most of the confusion about it.

Anatomy and nutrition

Where to begin

Four ways into the subject

Part one

The Tree

An evergreen that flowers straight out of its own trunk and needs beetles — or a paintbrush — to set fruit.

Botany & cultivation → Part two

The Fruit

Anatomy, flavor, how to tell when it is ripe, and the full nutrition panel per 100 g and per cup.

Anatomy & nutrition → Part three

Health Benefits

Every claimed benefit, sorted by the strength of the evidence behind it — including the ones that fail.

Graded claims → Part four

Research & Science

Acetogenins, the studies that exist, the studies that do not, and how to read a soursop paper.

The literature →

The house rule

Every claim on this site carries a tier

Most soursop content online flattens a cell-culture experiment and a randomized human trial into the same sentence. We label which is which, on every single claim, so you can weigh it yourself.

Human trial

Tested in people, with a control group. The strongest evidence available for this fruit — and the rarest.

Animal study

Measured in rodents, usually at doses far above normal eating. Suggestive, not transferable.

In vitro

Cells or microbes in a dish, exposed to concentrated extract. Tells you about chemistry, not about people.

Traditional use

Documented use across the Caribbean, Latin America, West Africa and Southeast Asia. History, not proof.

Not supported

Widely repeated online and contradicted, or simply unsupported, by the evidence. We say so plainly.