Whether you drink beetroot juice or not, you feel equally cold when you're in a cool room.

Drinking beetroot juice in a cool room doesn't change how much nitrate is in your blood compared to drinking it in a warm room.

Drinking beetroot juice doesn't change how blood flows through your skin when you're in a cool room.

Drinking beetroot juice before going into a cool room stops your blood pressure from going up as much as it normally would when you're cold.

Whether you drink beetroot juice or not, your skin temperature goes down about the same amount when you're in a cool room.