A special mouthwash with nitrate and antioxidants made rats' blood nitrate levels jump 32 times higher than regular mouthwash after one week, which might help their heart health.

Rats using the special mouthwash had better antioxidant protection in their blood compared to rats using regular mouthwash, which might help protect against oxidative stress.

Rats using the special mouthwash had more good bacteria in their mouths that help convert nitrate to nitric oxide, compared to rats using regular mouthwash.

Rats using regular antibacterial mouthwash had lower antioxidant protection in their blood after one week, while rats using the special nitrate mouthwash didn't see this change, showing different effects on the body's antioxidant system.

The special mouthwash made rats' saliva have 5.7 times more nitrate and 6.3 times more nitrite than regular mouthwash, which helps the body's natural blood pressure regulation system.

Rats using a special nitrate mouthwash had their blood pressure drop significantly (15% systolic, 29% diastolic) after one week, while rats using regular mouthwash didn't see any change.