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Types of Bitter Orange (Synephrine): Forms & Bioavailability

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Forms Comparison

FormBioavailabilityBest For
Bitter Orange Extract (standardized to synephrine)ModerateStandard supplement form — ensure standardization to p-synephrine content
Pure p-SynephrineHighIsolated compound for precise dosing — used in research

Bitter Orange Extract (standardized to synephrine)

Bioavailability: Moderate. Best for: Standard supplement form — ensure standardization to p-synephrine content.

Pure p-Synephrine

Bioavailability: High. Best for: Isolated compound for precise dosing — used in research.

References

  1. (). A review of the human clinical studies involving Citrus aurantium (bitter orange) extract and its primary protoalkaloid p-synephrine. International Journal of Medical Sciences. DOI