Peach vs Nectarine: which is healthier?

Per 100g, Peach has 42 calories, 0.9g protein, 1.5g fiber, and 0.3g fat, while Nectarine has 44 calories, 1.1g protein, 1.7g fiber, and 0.3g fat. Their macros are close enough that either fits the same plan; pick based on preparation and what you pair them with.

Which has more calories, Peach or Nectarine?

Per 100g, Peach has 42 calories and Nectarine has 44 calories, a difference of 2 calories. In practical terms, 1 medium peach (63 calories) of peach compares with 1 medium nectarine (62 calories) of nectarine.

Which has more protein, Peach or Nectarine?

Nectarine leads on protein with 1.1g per 100g; the gap is 0.2g per 100g (Peach 0.9g vs Nectarine 1.1g). If you are tracking protein targets, that difference compounds quickly across a full day of meals.

Which has a lower glycemic index, Peach or Nectarine?

Peach has a glycemic index of 42 versus 43 for Nectarine, so Peach causes a gentler blood sugar response. Carbs per 100g are 10.1g for Peach and 10.6g for Nectarine.

Can I substitute Peach for Nectarine?

Often, yes. Swapping nectarine for peach shifts your meal by about 2 calories and 0.2g of protein per 100g, so adjust portions if you are logging macros. Texture and cooking behavior differ more than nutrition in many recipes, so test the swap in small batches first.