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Lactoferrin-Rich Colostrum and Better Sleep
Quality sleep depends on far more than melatonin. Emerging research suggests that lactoferrin-rich bovine colostrum may promote restorative sleep by reducing inflammation, supporting the gut-brain axis, balancing immune function, and maintaining healthy iron metabolism. Rather than acting as a sedative, lactoferrin helps restore the biologic environment necessary for healthier sleep—and potentially healthier aging.

David Stephen Klein, MD FACA FACPM
Jul 2011 min read


DHA and Dry Eye Disease: The Missing Nutrient in Ocular Surface Health
Dry eye disease is often treated with artificial tears, but emerging research suggests the problem may run much deeper. Deficiency of DHA, a critical omega-3 fatty acid concentrated in the retina and ocular surface, may contribute to inflammation, tear instability, and meibomian gland dysfunction. Understanding the nutritional connection between DHA and ocular health may provide a more effective long-term strategy for improving comfort, protecting vision, and reducing chronic

David Stephen Klein, MD FACA FACPM
Jul 146 min read


L-Glycine: An Overlooked Amino Acid for Sleep, Anxiety, Recovery, and Longevity
L-glycine is a simple amino acid with surprisingly powerful health benefits. Research suggests it may improve sleep quality, reduce anxiety, support collagen formation, enhance liver detoxification, improve metabolic health, and promote healthy aging pathways linked to longevity. Unlike conventional sedatives, glycine works naturally by supporting the body’s own restorative processes, making it one of the most overlooked compounds in nutritional and longevity medicine.

David Stephen Klein, MD FACA FACPM
Jun 275 min read
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