Daily Dozen App: Android app and iPhone app. The app is great! Clean interface & informative. No ads. It also has '21 Tweaks' that Dr Greger developed after publishing his book How Not To Diet (2019).
Daily Dozen Overview: This blog article has a good summary: Dr Greger's Daily Dozen Healthiest of Healthy Foods (2021).
Additional Guidelines: Optimum Nutrition Recommendations complements the Daily Dozen. It has important details related to micronutrients like iron, calcium and selenium.
Eating Guide (22 pages): Evidence-Based Eating Guide (free PDF by Dr Greger; hard copy may be bought; an online copy is available here).
Posters, Infographics, Info: Veganuary Daily Dozen Checklist — Dr Greger's article on Daily Dozen with links to video collections on specific topics like cruciferous veggies, flaxseeds, and so on.
21 Tweaks: outlined in his book How Not To Diet (2019).
(9 mins) Transcript. Dr Greger explains his philosophy behind the Daily Dozen in this excellent video!
Associated blog article has a good summary: Dr Greger's Daily Dozen Healthiest of Healthy Foods (2021).
Previous versions of this video: here (9 mins, 2018) and here (9 mins, 2017).
Optimum Nutrition Recommendations by Dr Greger have guidelines for Vitamin B12, Vitamin D, Calcium, Iron, …
In addition to Daily Dozen, Dr Greger's 21 Tweaks are helpful for weight loss. They summarize his book How Not To Diet (608 pages, 2019).