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Stevia Leaf Powder (Stevia rebaudiana)

Also known as: Stevia rebaudiana leaf, Stevia extract, Steviol glycosides, Stevia powder

B
Evidence

Stevia is a natural zero-calorie sweetener derived from the leaf of Stevia rebaudiana, approximately 200–300 times sweeter than sucrose. It has been used for centuries in South America and is approved as a food additive in many countries, though whole leaf preparations differ from purified steviol glycoside extracts.

Primary uses

  • Sugar substitute / sweetening agent
  • Calorie-free flavoring
  • Blood sugar management support

How it works

  • Steviol glycosides bind to sweet taste receptors without metabolic caloric impact
  • May enhance insulin secretion and improve glucose handling (mechanism not fully established)

Dosage

Typical range
1–3 grams (approximately 1/4 to 3/4 teaspoon) per serving as a sweetener; total daily intake typically 1–10 grams depending on sweetness preference
Timing
As needed; no time restriction
With food
Not required; can be mixed into beverages or foods
Duration
Safe for long-term use; no established duration limits
Special populations
Generally recognized as safe in pregnancy and lactation by major regulatory bodies; suitable for diabetics and those managing blood sugar

Forms

  • Leaf powder· 70/100
  • Purified extract· 70/100
  • Leaf whole· 70/100

Safety

Common side effects

  • Aftertaste (particularly with whole leaf preparations)
  • Gastrointestinal effects (rare, at high doses)
  • Mild headache (anecdotal)

Contraindications

  • Individuals with allergies to plants in the Asteraceae family (ragweed, chrysanthemum)
  • Those taking medications for blood pressure or blood sugar regulation (potential additive effects; medical supervision advised)

Evidence notes

Stevia has long historical use and regulatory approval; safety profile well-established in food applications. Modest evidence supports potential modest benefits for glycemic control in some populations. Whole leaf powder is less standardized than purified extracts; evidence grade reflects established safety rather than strong efficacy claims.

Grade B: Some human trials support key claims; further confirmation needed.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.