This is a supplement (juice, syrup, powder, or mixture) made from extracts or preparations of two traditional ingredients: Karela (bitter gourd / bitter melon) and Jamun (Indian blackberry / java plum).

People often use such a supplement hoping for:

• Blood-sugar support: Compounds in bitter gourd (like charantin, “polypeptide-P”, vicine) may have glucose-lowering (hypoglycemic) effects and help the body process sugar more effectively. 

• Better insulin sensitivity / sugar metabolism: Jamun (and sometimes combined with karela) is traditionally believed to help regulate how the body uses and stores glucose. 

• Support for digestion/metabolism: Bitter (tikta) foods are often used in traditional medicine to “kindle agni” (digestive fire), help with digestion, and possibly support metabolic health.

• Antioxidant / general health support: Both karela and jamun contain phytonutrients, flavonoids, etc., which may have antioxidant effects — though human evidence is limited.

For patients with Type 2 diabetes, a supplement might offer support for glycemic control when used along with diet, exercise, and standard care — but it cannot be considered a standalone cure.

While not mandatory, a balanced diet, reduced alcohol intake, adequate water, and regular physical activity can complement liver-wellness routines.

It typically contains:

• Karela (Bitter Gourd) extract / juice / powder

• Jamun (Java Plum) seed or fruit extract

• Sometimes added herbs like giloy, amla, methi, neem, depending on the variant

• Mostly free from sugar (suitable for diabetics), but check your label for flavors/preservatives.