I take my quercetin in the form of red onions, apples, blueberries, tomatoes, and broccoli and get plenty of zinc from ground beef and other meats and roasted pumpkin seeds.

Simple rule of thumb for quercetin from natural foods - Colorful fruits and vegetables and leafy greens (darker the better) usually provide plenty of it.

I take my quercetin in the form of red onions, blueberries, tomatoes, and broccoli and get plenty of zinc from ground beef and other meats and roasted pumpkin seeds.

I take my quercetin in the form of red onions and blueberries and get plenty of zinc from ground beef and roasted pumpkin seeds.