Hello user,
Yes you can give him Bitter gourd juice but that alone is not enough.Eating a Healthy Balanced diet, which consists of healthier choices, can help to restore normal blood
sugar levels.
Next Steps
You can consult me directly on practo for more guidence
Health Tips
Meanwhile you can follow few tips
*Be physically active
*Include more whole grains like Millets, Brown rice, Whole pulses
*Include More Fresh Vegetables
*Include Seasonal Fruits and no fruit juices
*Avoid direct sugars,sweets and bakery products.