1. Oxalates in spinach might lead to kidney stone formation.
2. Spinach might prevent the absorption of essential minerals.
3. Consuming too much spinach can lead to indigestion.
4. It might aggravate stomach cramps.
5. It might cause health issues in infants.
6. It can cause allergies in latex-sensitive people.
7. It can reduce the effectiveness of blood thinners.
8. Excessive spinach intake might make you bloated.
9. It reduces the absorption of calcium.
10. Excessive fibre intake isn't good, and spinach is fibre-rich.