The Cabral Concept 3577: Vitamin D Lab Test, Cartilage "Filler" & Joint Health, Sugary Drinks & Blood Sugar (FR)
Nov 21, 2025
Discover the intriguing details about a finger-prick vitamin D test and why annual monitoring can benefit your family's health. Explore the promising but nuanced findings on cartilage filler for joint issues, noting its limited effectiveness for full osteoarthritis. Dive into compelling research highlighting how sugary drinks impact blood sugar levels, suggesting a shift towards whole foods. Gain practical dietary tips to minimize glycemic spikes by opting for healthier drink alternatives like water and herbal teas.
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Cabral's Family Vitamin D Routine
- Dr. Stephen Cabral runs the vitamin D test for his family every November or early December to personalize dosing.
- He aims for high‑60s ng/mL values in his family and adjusts supplements accordingly.
Seasonal Vitamin D Testing
- Test your vitamin D levels at home each winter using a finger-prick 25-hydroxyvitamin D (D3) test.
- Aim to optimize levels around 50–70 ng/mL and adjust dosing based on results.
Use Timed At‑Home Labs
- Run at‑home functional labs like bedtime cortisol if you need clinically timed measures.
- Use these tests to identify issues (e.g., elevated nighttime cortisol) that standard lab hours miss.