Jambolan seed and bark contains chemicals that might lower blood sugar, but extracts from jambolan leaf and fruit don't seem to affect blood sugar. Jambolan also contains chemicals that might have antioxidant and anti-inflammatory effects.
Are there safety concerns?
Jambolan is possibly safe for most people, but the potential side effects are not known.
Do not use jambolan if:
You are pregnant or breast-feeding.
You are scheduled for surgery in the next two weeks.