Search Foods
Home › Food Database › Carambola

Carambola, (starfruit), raw

Per 100 g edible portion
Fruits
Kidney-friendlyOn a stage 3-4 CKD basis, Carambola's Kidney-friendly rating is driven by Potassium (7%) - none of the three minerals exceeds 15%.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus12 mg1%
Low
Sodium2 mg<1%
Low
Potassium133 mg7%
Low

About this food

Carambola (Fruits). Potassium levels vary widely across fruits - apples and berries are low-potassium, kidney-friendly picks, while bananas and avocados are high and need portion control. The natural sugar in fruit is usually not the issue; potassium is. This is the same lens used for similar items.

Nutrient insight

From the potassium angle (7%), how much Carambola fits depends on your latest lab values - this site only presents the data.

Other nutrients

Protein1 gNot part of rating
Fiber2.8 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)4 gNatural sugar
Alcohol0 gAlcohol-free
PurineNo dataNot rated · reference for those with high uric acid
OxalateNo dataNot rated · reference for those with kidney stones
Phosphorus source: Natural plant source (lower absorption) · Potassium form: Whole food

Practical tips

Worth remembering: For high-potassium fruits, portion control is the main lever - for example, half a banana instead of a whole one.

Related foods

pear nectarKidney-friendlymaraschino cherriesKidney-friendlypectinKidney-friendlyoilKidney-friendly

Related guides

FruitsKidney-friendly foodsHigh fiber foodsLow sodium foods

Frequently asked questions

Is Carambola safe for kidney disease?

Carambola scores Kidney-friendly on the phosphorus/sodium/potassium assessment, led by Potassium (7% of limit). This site presents data, not medical judgment.

Why is Carambola rated Kidney-friendly?

The reason: Potassium (133 mg, 7%) is the most prominent of Carambola's three minerals, at the <15% level, which maps to Kidney-friendly.

How much Potassium is in Carambola?

On a per-100 g basis, Carambola contains Potassium 133 mg, or 7% of the 2,000 mg daily limit.

Is Carambola safe on a low-potassium diet?

For a potassium-watching diet, Carambola falls below the 300 mg per 100 g marker (Potassium 133 mg). The safest step is checking this against your own lab-based limit.

How does Carambola compare to other fruits foods?

Measured against other Fruits foods, Carambola is less in Potassium (133 mg per 100 g) than the category average - data-only, never a prescription.