Inflammation Biomarkers
Tracking my inflammation 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
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
White blood cells
WBC, thousands/uL
Jan 27, 2023 - 3.8
Jun 30, 2023 - 3.4
Dec 17, 2024 - 3.7
Feb 11, 2025 (9-day fast) - 3.4
Sep 4, 2025 (10-day fast) - 3.1
Oct 14, 2025 - 3.8
Ferritin
Ferritin, ng/mL
Jan 27, 2023 - 74
Jun 30, 2023 - 76
Dec 17, 2024 - 85
Feb 11, 2025 (9-day fast) - 158
Sep 4, 2025 (10-day fast) - 183
Oct 14, 2025 - 58
Vitamin D
Vitamin D, ng/mL
Jan 27, 2023 - 26
Jun 30, 2023 - 47
Dec 17, 2024 - 32
Feb 11, 2025 (9-day fast) - 47
Sep 4, 2025 (10-day fast) - 57
Oct 14, 2025 - 42
Basophil count
Basophil count, cells/µL
Jan 27, 2023 - 30
Jun 30, 2023 - 31
Dec 17, 2024 - 30
Feb 11, 2025 (9-day fast) - 51
Sep 4, 2025 (10-day fast) - 31
Oct 14, 2025 - 30
Eosinophil count
Eosinophil count, cells/µL
Jan 27, 2023 - 171
Jun 30, 2023 - 160
Dec 17, 2024 - 159
Feb 11, 2025 (9-day fast) - 78
Sep 4, 2025 (10-day fast) - 81
Oct 14, 2025 - 232
Lymphocyte count
Lymphocyte count, cells/µL
Jan 27, 2023 - 1,402
Jun 30, 2023 - 1,278
Dec 17, 2024 - 1,439
Feb 11, 2025 (9-day fast) - 1,397
Sep 4, 2025 (10-day fast) - 1,197
Oct 14, 2025 - 1,459
Monocyte count
Monocyte count, cells/µL
Jan 27, 2023 - 414
Jun 30, 2023 - 469
Dec 17, 2024 - 459
Feb 11, 2025 (9-day fast) - 371
Sep 4, 2025 (10-day fast) - 415
Oct 14, 2025 - 479
Neutrophil count
Neutrophil count, cells/µL
Jan 27, 2023 - 1,782
Jun 30, 2023 - 1,462
Dec 17, 2024 - 239
Feb 11, 2025 (9-day fast) - 1,613
May 27, 2025 - 1,503
Sep 4, 2025 (10-day fast) - 1,376
Oct 14, 2025 - 1,600