Open-label exploratory study of the biological activity of an Australian native food – Davidson Plum.

This study is exploring whether extracts from an Australian native fruit called Davidson Plum have anti-inflammatory and antioxidant effects in healthy adults. The Davidson Plum is grown commercially and has shown promising health properties in laboratory studies. Participants will take the extract for two weeks and be measured on markers of inflammation, antioxidant activity, lung function, grip strength, mood, and quality of life. Both smokers and non-smokers are welcome. You may be eligible if: - You are between 18 and 60 years old - You are generally healthy with no current acute or chronic disease - You are willing to have blood taken twice during the study You may NOT be eligible if: - You have diabetes (Type 1 or Type 2) - You have an acute or chronic illness - You take warfarin or other blood thinners (low-dose aspirin is okay) - You take anti-depressants or anxiety medications (multiple drugs or started in the past 6 months) - You are pregnant, planning to become pregnant, or breastfeeding - You drink more than 30 standard alcoholic drinks per week - You have participated in another clinical trial in the past 30 days Talk to your doctor about whether this trial might be right for you.