Guarana

Guarana

瓜拉纳 (Guā Lā Nà) · Paullinia cupana

Contains more caffeine than coffee beans plus theobromine and tannins for sustained energy release. Evidence for cognitive enhancement, fat metabolism, and athletic performance.

证据评分
6/10
安全性
需谨慎使用

适用于

主要功效

May help combat fatigue and increase stamina

Traditionally used to support physical endurance

May support cognitive function and mental clarity

Traditionally used to sharpen memory and focus

服用方法

常用剂量: Follow product label. Typically 500-1500mg extract daily, taken in the morning
剂型: capsule, powder, tea/decoction
服用时间: Take with food unless otherwise directed. Allow 2-4 weeks for full effects with tonic herbs
Start with lower doses and increase gradually. Quality and standardization vary between brands.

安全性与相互作用

可能的副作用

  • Digestive discomfort at higher doses
  • May cause drowsiness or stimulation depending on the herb
  • Allergic reactions possible in sensitive individuals

禁忌人群

  • Pregnancy and breastfeeding (insufficient safety data)
  • Children under 12 without professional guidance
  • Scheduled surgery (stop 2 weeks before)

药物相互作用

  • May interact with prescription medications
  • May affect blood sugar or blood pressure medications
  • Consult pharmacist before combining with other supplements

传统用途

In Traditional Chinese Medicine, 瓜拉纳 (Guā Lā Nà) has been used for centuries. It is traditionally classified as a qi-tonifying herb that strengthens vitality. It opens the orifices and sharpens the intellect — used traditionally for forgetfulness and mental fog.

现代研究

Moderate research exists for this herb, including some clinical trials and substantial preclinical data. While not as extensively studied as top-tier herbs, the evidence supports several traditional uses. More human trials would strengthen the evidence base.

在PubMed查看研究

Where to Buy

Affiliate links — purchases support this free resource.