Hearth Health Biomarkers

Tracking my heart health biomarkers across 2.5 years of fasting – including results from my 7-, 9-, and 10-day water fasts.

The end of the 10-day fast - Sep 4, 2025

After 40 days of refeeding - Oct 14, 2025

Apolipoprotein B

ApoB, mg/dL

  • Jan 27, 2023 - 88

  • Jun 30, 2023 - 78

  • Dec 17, 2024 - 104

  • Feb 11, 2025 (9-day fast) - 137

  • May 27, 2025 - 78

  • Sep 4, 2025 (10-day fast) - 136

  • Oct 14, 2025 - 87

Triglycerides

Triglycerides, mg/dL

  • Jan 27, 2023 - 41

  • Jun 30, 2023 - 37

  • Dec 17, 2024 - 44

  • Feb 11, 2025 (9-day fast) - 108

  • May 27, 2025 - 42

  • Sep 4, 2025 (10-day fast) - 163

  • Oct 14, 2025 - 44

HDL Cholesterol

HDL Cholesterol, mg/dL

  • Jan 27, 2023 - 71

  • Jun 30, 2023 - 75

  • Dec 17, 2024 - 88

  • Feb 11, 2025 (9-day fast) - 54

  • May 27, 2025 - 83

  • Sep 4, 2025 (10-day fast) - 50

  • Oct 14, 2025 - 71

LDL Cholesterol

LDL Cholesterol

  • Jan 27, 2023 - 114

  • Jun 30, 2023 - 108

  • Dec 17, 2024 - 138

  • Feb 11, 2025 (9-day fast) - 179

  • May 27, 2025 - 98

  • Sep 4, 2025 (10-day fast) - 161

  • Oct 14, 2025 - 117

hsCRP

hsCRP, mg/L

  • Jan 27, 2023 - 0.3

  • Jun 30, 2023 - 0.3

  • Dec 17, 2024 - 0.2

  • Feb 11, 2025 (9-day fast) - 0.2

  • May 27, 2025 - 0.2

  • Sep 4, 2025 (10-day fast) - 0.2

  • Oct 14, 2025 - 0.3

TSH

TSH, µIU/L

  • Dec 13, 2023 - 1.71

  • Dec 17, 2024 - 2.3

  • Feb 11, 2025 (9-day fast) - 1.42

  • May 27, 2025 - 2.12

  • Sep 4, 2025 (10-day fast) - 1.79

  • Oct 14, 2025 - 1.86

Total Cholesterol

Total Cholesterol, mg/dL

  • Jan 27, 2023 - 197

  • Jun 30, 2023 - 194

  • Dec 17, 2024 - 239

  • Feb 11, 2025 (9-day fast) - 256

  • May 27, 2025 - 193

  • Sep 4, 2025 (10-day fast) - 242

  • Oct 14, 2025 - 201