Cut the chicken breast into bite-sized pieces.
Julienne the onion and bell pepper.
Heat olive oil in a pan and stir-fry the chicken breast.
When the chicken is half cooked, add onion and bell pepper and stir-fry together.
Add soy sauce, minced garlic, pepper, and oligosaccharide, and stir-fry until the seasoning is well absorbed.
Serve the stir-fried ingredients over rice.