In addition to gene, about 20-40% of your height is determined by nutrition. Balanced nutrition is beneficial for increasing height.
What you need to do
Get balanced nutrition, and avoid foods that will stunt your growth.
Why
• Carbonated drink. It contains orthophosphoric acid. Your body expends calcium from your bones to neutralize it.
• Sugar. It may reduce the absorption of calcium.
• Junk food. It's high in saturated fats but low in nutrients that help you grow taller. It also affects your body's ability to produce HGH.