[25] Bibliography [edit] 100 Ways to Boost Your Metabolism (2007) ISBN 9780979402708 Personal Trainers' Guide to Earning Top Dollar: A Cutting-Edge Guide to Maximizing Your Income as a Personal Trainer (2009) ISBN 9781606790687 Shape21: The Complete 21 Day Lean Body Manual (2012) ISBN 9781619841413 Endurance Planet's Big Book of Bravado: Tales of Extreme Endurance (2012) ISBN 9781619841345 Get-Fit Guy's Secrets to a Better Workout (2012) ISBN 9781466814226 Weight Training for Triathlon: The Ultimate Guide (2014) ISBN 9781936910656 Beyond Training: Mastering Endurance, Health & Life (2014) ISBN 9781628600476 The Low-Carb Athlete: The Official Low-Carbohydrate Nutrition Guide for Endurance and Performance (2015) ISBN 9781517371531 Christian Gratitude Journal: A Daily Guide for Enhancing Your Mind, Body and Spirit (2017) ISBN 9780692809518 The Forest (2019) ISBN 9780999722701 Boundless: Upgrade Your Brain, Optimize Your Body & Defy Aging (2020) ISBN 9781628603972 Fit Soul: Tools, Tactics & Habits for Optimizing Spiritual Fitness (2020) ISBN 9780999722732 Boundless Cookbook (2021) ISBN 9780578822006 Endure: Tools, Tactics & Habits for Spiritual Stamina (2021) ISBN 9780999722763 Spiritual Disciplines Journal (2021) ISBN 9780999722749 Boundless Kitchen: Biohack Your Body & Boost Your Brain with Healthy Recipes You Actually Want to Eat (2023) ISBN 9781401977740 Boundless Parenting: Tools, Tactics & Habits of Great Parents (2023) ISBN 9780999722770 Boundless: Upgrade Your Brain, Optimize Your Body & Defy Aging, Updated and Revised (2025) ISBN 9781628605396 Personal life [edit] Greenfield married his wife, Jessa, in 2003
You dont have to eat ALL the 500 calories on your Phase 2 of the HCG diet
Even primary liver cancers switch their metabolic enzyme expression from glucokinase (the native isoform of hepatocytes) to other isoforms 76
Dosing & Reconstitution Guide Subcutaneous, once weekly Standard / Gradual Approach (3 mL = 10.0 mg/mL) Frequency: Inject once weekly subcutaneously on the same day each week [1] [5]
A dietary supplement is not a substitute for a balanced and varied diet
Healthy adults eating a balanced diet that includes animal products do not generally need to supplement B12. However, adds King, there are certain groups who can benefit from vitamin B12 supplementation, including: Adults over 50 , as B12 absorption naturally declines with age Those following a vegan diet , because B12 is almost exclusively found in animal foods People who are on long-term acid-blocking medications like PPIs or metformin, as well as anyone with absorption issues like celiac disease, Crohns, or post-bariatric surgery GLP-1 patients who arent getting enough B12 from food alone because the medications appetite suppression leads to lower food intake King explains, When deficiency is real, supplementation can effectively resolve the side effects of fatigue, brain fog, mood symptoms, and tingling in the hands and feet
