Almonds have a good amount of oxalates. However, kidney stones may develop if oxalates are consumed in excess. For this reason, people who already have renal problems, are susceptible to kidney infections, or have a history of kidney stones should use caution when consuming almonds. Almonds have a good amount of oxalates. However, kidney stones may develop if oxalates are consumed in excess. For this reason, people who already have renal problems, are susceptible to kidney infections, or have a history of kidney stones should use caution when consuming almonds.