The short answer is YES, but before you run out and buy supplements, watch this video because high levels of vitamin D has risks, too. In this video Dr. Jo will answer:
* What’s the role of vitamin D?
* How to check your serum vitamin D levels?
* Why one-third of all adults are deficient?
* Which populations have even high amounts of vitamin D deficiencies?
* Which medications interfere with vitamin D synthesis?
* Which supplements are the safest to take?
* What dosage (IU) to raise and then maintain vitamin D levels?
Dr. Jo Lichten, PhD, RDN, CSP is an energy expert…for people. She works with organizations to recharge their people for improved performance, productivity, and profitability….without risking debilitating stress and burnout.
Through her keynotes, breakouts and workshops, Dr. Jo blends the science of human performance with a healthy dose of practicality in a fast-paced, interactive style. Book her to speak to your group at
She has presented 1000+ programs to clients across North America and abroad. Her audiences often consist of professionals who have achieved great success in their career – at the expense of their health and personal life.
Jo is a proven professional. She earned the highly sought after Certified Speaking Professional designation – a title held by less than 12% of all speaking professionals worldwide.
