MYRCIA

OTHER NAME(S):

Cambui, Myrcia multiflora, Myrcia salicifolia, Myrcia uniflora, Pedra Hume, Pedra Hume Caa.

Overview

Overview Information

Myrcia is a medium-sized shrub that grows in parts of central and southeastern Brazil. Some Myrcia species also grow in other South American countries, including Bolivia, Peru, and Paraguay.

People take Myrcia by mouth for diabetes, diarrhea, bloody diarrhea, inflamed intestines, hemorrhage, high blood pressure, and mouth ulcers.

How does it work?

Myrcia might reduce how much sugar is absorbed by the stomach. This might help lower post-meal blood sugar levels in people with diabetes. Myrcia also reduces thyroid hormone production.

Uses

Uses & Effectiveness?

Insufficient Evidence for

  • Diabetes. Early research suggests that drinking an herbal tea containing Myrcia uniflora daily for 56 days does not improve blood sugar or insulin levels in people with or without diabetes.
  • Diarrhea.
  • Bloody diarrhea.
  • Inflamed intestines.
  • Hemorrhage.
  • High blood pressure.
  • Mouth ulcers.
  • Other conditions.
More evidence is needed to rate Myrcia for these uses.

Side Effects

Side Effects & Safety

There isn't enough reliable information available about Myrcia to know if it is safe.

Special Precautions & Warnings:

Pregnancy and breast-feeding: There is not enough reliable information about the safety of taking Myrcia if you are pregnant or breast feeding. Stay on the safe side and avoid use.

Underactive thyroid (hypothyroidism): Myrcia might decrease the production of thyroidhormone. This might worsen symptoms in people who already have low thyroid hormone levels.

Interactions

Interactions?

We currently have no information for MYRCIA Interactions.

Dosing

Dosing

The appropriate dose of Myrcia depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for Myrcia (in children/in adults). Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

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View References

REFERENCES:

  • Ferreira AC, Neto JC, da Silva AC, et al. Inhibition of thyroid peroxidase by Myrcia uniflora flavonoids. Chem Res Toxicol 2006;19(3):351-55. View abstract.
  • Matsuda, H., Nishida, N., and Yoshikawa, M. Antidiabetic principles of natural medicines. V. Aldose reductase inhibitors from Myrcia multiflora DC. (2): Structures of myrciacitrins III, IV, and V. Chem Pharm Bull (Tokyo) 2002;50(3):429-31. View abstract.
  • Pepato MT, Oliveira JR, Kettelhut IC, Migliorini RH. Assessment of the antidiabetic activity of Myrcia uniflora extracts in streptozotocin diabetic rats. Diabetes Res 1993;22(2):49-57. View abstract.
  • Russo EM, Reichelt AA, De Sa JR, et al. Clinical trial of Myrcia uniflora and Bauhinia forficata leaf extracts in normal and diabetic patients. Braz J Med Biol Res 1990;23(1):11-20. View abstract.
  • Yoshikawa M, Shimada H, Nishida N, et al. Antidiabetic principles of natural medicines. II. Aldose reductase and alpha-glucosidase inhibitors from Brazilian natural medicine, the leaves of Myrcia multiflora DC. (Myrtaceae): structures of myrciacitrins I and II and myrciaphenones A and B. Chem Pharm Bull (Tokyo) 1998;46(1):113-9. View abstract.
  • Zoghbi MGB, Andrade EHA, da Silva MHL, Carreira LMM, Maia JGS. Essential oils from three Myrcia species. Flavour Fragr J 2003;18:421-424.
  • Ferreira AC, Neto JC, da Silva AC, et al. Inhibition of thyroid peroxidase by Myrcia uniflora flavonoids. Chem Res Toxicol 2006;19(3):351-55. View abstract.
  • Matsuda, H., Nishida, N., and Yoshikawa, M. Antidiabetic principles of natural medicines. V. Aldose reductase inhibitors from Myrcia multiflora DC. (2): Structures of myrciacitrins III, IV, and V. Chem Pharm Bull (Tokyo) 2002;50(3):429-31. View abstract.
  • Pepato MT, Oliveira JR, Kettelhut IC, Migliorini RH. Assessment of the antidiabetic activity of Myrcia uniflora extracts in streptozotocin diabetic rats. Diabetes Res 1993;22(2):49-57. View abstract.
  • Russo EM, Reichelt AA, De Sa JR, et al. Clinical trial of Myrcia uniflora and Bauhinia forficata leaf extracts in normal and diabetic patients. Braz J Med Biol Res 1990;23(1):11-20. View abstract.
  • Yoshikawa M, Shimada H, Nishida N, et al. Antidiabetic principles of natural medicines. II. Aldose reductase and alpha-glucosidase inhibitors from Brazilian natural medicine, the leaves of Myrcia multiflora DC. (Myrtaceae): structures of myrciacitrins I and II and myrciaphenones A and B. Chem Pharm Bull (Tokyo) 1998;46(1):113-9. View abstract.
  • Zoghbi MGB, Andrade EHA, da Silva MHL, Carreira LMM, Maia JGS. Essential oils from three Myrcia species. Flavour Fragr J 2003;18:421-424.

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CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.

This copyrighted material is provided by Natural Medicines Comprehensive Database Consumer Version. Information from this source is evidence-based and objective, and without commercial influence. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version.
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