Testing, Nutrient Gaps & Smarter Supplement Choices with Dr. Douglas Kalman, PhD, RD (ep – 73)

When it comes to deciding if and when to supplement, the answer isn’t one-size-fits-all. To do things right, it's important to know how nutrient needs vary across life stages, lifestyles, and health conditions. In this episode, Dr. Ginger Hultin sits down once again with Dr. Douglas Kalman, an expert in nutritional neuroscience and supplements, to explore the practical side of supplementation. From athletes and young professionals to pregnant women and older adults, they discuss who can benefit most, what nutrients often fall short, and how testing can personalize your approach. Dr. Kalman also explains why supplement quality matters, from the forms of vitamins and minerals on the label to third-party certifications that help ensure safety. If you’ve ever wondered whether supplements could support your long-term health, or how to choose the right ones with confidence, this conversation offers insights you can trust.

In this episode, we’ll cover: 

[00:00:00] Why vitamin D is more than a vitamin, it’s a hormone

[00:00:19] Who benefits most from supplements and how to fill nutrient gaps

[00:05:52] Iron, choline & key nutrients for women’s health

[00:08:14] What supplement labels don’t tell you about quality and absorption

[00:09:37] Personalized testing and how to know what your body really needs

[00:12:48] Vitamin D, sunlight & the link to mental and physical health

[00:14:20] Supplements in cancer care & the importance of protein

[00:15:47] Everyday applications—from family nutrition to long-term wellness

[00:16:24] Final takeaways: credible resources & smarter supplement choices

Connect with Dr. Ginger Hultin on Instagram, LinkedIn or her website. 

Connect with Dr. Douglas Kalman on Instagram or LinkedIn.

Mentioned in This Episode: 

• International Society of Sports Nutrition position stands
• Memorial Sloan Kettering Cancer Center Integrative Health Library
• ClinicalTrials.gov

Disclaimer: This podcast is for informational purposes only and is not intended to be medical advice. The material presented in this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. 

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