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Last reviewed: May 12, 2026 Last updated: May 12, 2026 Written by: Jay Hastings , CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
The cycle structure exists for a practical reason: continuous stimulation of the same receptor pathways can lead to reduced sensitivity over time, and a rest period allows the system to reset before the next cycle produces full effect
Vitamin D deficiency can lead to issues including fatigue, osteoporosis, and muscle weakness
Its also considered an essential nutrient because your body is unable to produce it on its own and needs to obtain it from food sources or supplementation
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