Dr. Perricone recommends eating watercress daily also
https://www.dailymail.co.uk/femail/article-2216852/Eat-way-facelift-Watercress-latest-wonder-food-battle-anti-ageing.html
https://www.dailymail.co.uk/femail/article-2216852/Eat-way-facelift-Watercress-latest-wonder-food-battle-anti-ageing.html