Decoded biomarkers across cardiovascular, metabolic, inflammatory, and organ-system clusters — with optimal ranges that go beyond lab reference intervals.
Biomarkers articles
- 🩸 Biomarkers
Iron Saturation (TSAT) vs Ferritin: Not the Same Test
Ferritin shows stored iron, TSAT the iron in transit. A normal ferritin with TSAT under 20% is the pattern most panels miss. Both ranges, side by side.
10 min read - 🧬 Biomarkers
20 Most Important Blood Biomarkers Explained
Blood biomarkers explained marker by marker: what each of the 20 most important ones measures, its optimal range (not just normal), and why it matters.
11 min read - 🔥 Inflammation
Inflammation Markers in a Blood Test: hs-CRP, Homocysteine, Ferritin and More
Inflammation markers like hs-CRP, homocysteine, and ferritin reveal hidden low-grade inflammation. What an inflammation markers blood test really shows.
9 min read - ❤️ Lipids
ApoB 90 mg/dL: Is That Optimal or Borderline?
ApoB 90 mg/dL is borderline: at the expert threshold for intermediate risk, above the 80 mg/dL high-risk goal. What 90 means and how to get under 80.
5 min read - 🩸 Iron
Ferritin 30 ng/mL: Low Normal or Iron Deficient?
Ferritin 30 ng/mL is technically 'normal' but functionally iron-deficient for most people. Here's what 30 means and how to get to optimal.
5 min read - ❤️ Lipids
LDL 130 mg/dL: Borderline-High Cholesterol — What to Do
LDL 130 mg/dL is borderline-high cholesterol per ATP guidelines. Here's what 130 means, what's actually optimal, and how to lower it without medication.
5 min read - 🫁 Liver
ALT 40: Is My Liver OK?
ALT 40 U/L is technically normal but above optimal. Modern guidelines suggest different thresholds for liver health.
5 min read - 🫀 Cardiovascular
CAC Score: What Your Coronary Calcium Scan Really Means
Understand your CAC score and coronary calcium scan results. Learn what calcium levels mean for cardiovascular risk and longevity.
9 min read - 💔 Lipids
Total Cholesterol 220: Is This Too High?
Total cholesterol 220 is borderline high, but the number alone is misleading. Your LDL, HDL, and triglycerides matter far more.
6 min read - 🫘 Kidney
Creatinine 1.2: Is My Kidney Function OK?
Creatinine 1.2 mg/dL is normal for most men but high-normal for women. Trend and GFR matter more than the number alone.
5 min read - 💚 Lipids
How to Lower Cholesterol Without Medication: 10 Evidence-Based Strategies
Lower cholesterol naturally with proven dietary, exercise, and supplement strategies. Evidence-based methods to reduce LDL without statins.
10 min read - 🥗 Lipids
Why Is My LDL Cholesterol High Even Though I Eat Healthy?
LDL high despite healthy diet? Discover genetic, metabolic, and lifestyle factors that drive cholesterol levels independent of diet.
8 min read - 💊 Lipids
Statins: Side Effects, When They're Worth It, and When to Reconsider
Statin benefits, side effects, who truly needs them, who may not, and what to monitor to make informed decisions.
8 min read - 💔 Lipids
Triglycerides 180: What Should You Do?
Triglycerides 180 mg/dL is above optimal. Diet and lifestyle changes are your most powerful tools. Here's the action plan.
6 min read - 🫁 Liver
ALT and AST High: What Elevated Liver Enzymes Actually Mean
What high ALT and AST levels mean on a blood test, common causes of elevated liver enzymes, when to worry, and how to lower them naturally.
9 min read - 📐 Lipids
Cholesterol Ratio Calculator: Total/HDL, LDL/HDL and Triglyceride/HDL
Calculate and interpret your cholesterol ratios — Total/HDL, LDL/HDL, and Triglyceride/HDL — and why the Trig/HDL ratio best flags insulin resistance.
8 min read - 🫘 Kidney
Cystatin C: The Kidney Test That's Better Than Creatinine
Why cystatin C is a more accurate kidney function marker than creatinine, what optimal levels are, and why longevity physicians now consider it essential.
8 min read - 🫀 Liver
GGT Levels High: What It Means Beyond Liver Disease
What high GGT means beyond liver disease — why it's an underrated marker of cardiovascular and metabolic risk, the common causes, and how to lower it.
9 min read - 🧬 Lipids
Lp(a) High: The Genetic Heart Risk Factor You Can't Ignore
Lp(a) is a largely genetic heart-risk factor 1 in 5 people carry high. What high Lp(a) means, why it's tested once, and how to manage the risk.
10 min read - ❤️ Lipids
ApoB: Your Real Heart Risk Number (Not LDL) [2026 Guide]
Cardiologists are paying more attention to ApoB for good reason. Why LDL misleads in about 1 in 5 people + exact targets.
9 min read - 📉 Lipids
Triglycerides Above 150? Reverse It in 4 Weeks [Not With Fat]
Cutting carbs (not fat) drops triglycerides 30% fastest. Full protocol + when you actually need meds.
7 min read - 💊 Iron
Oral Iron Supplements Not Working? Here's Why (and What to Do Instead)
Taking iron but ferritin won't budge? Why iron supplements fail — absorption blockers, wrong form, inflammation — and the evidence-based fixes that work.
7 min read - 🔬 Biomarkers
10 Longevity Biomarkers That Predict Lifespan (2026 Guide)
The blood biomarkers that actually predict lifespan — ApoB, hs-CRP, fasting insulin and more — why they matter and how to test and track them.
8 min read - 🔋 Iron
Normal Hemoglobin, Exhausted Anyway? [Ferritin is the Answer]
About a third of US women under 50 have ferritin below 30 ng/mL. Why a normal hemoglobin can hide iron deficiency, and how to fix it.
6 min read - 🧬 Biomarkers
CRP and Systemic Inflammation: What Elevated Inflammatory Markers Mean
What high CRP means, the hs-CRP risk bands cardiologists use, why one reading is never enough, and where the evidence is strong versus genuinely contested.
9 min read - 🫀 Inflammation
CRP Above 3 mg/L: What High hs-CRP Means for Your Heart
CRP > 3.0 flags high cardiovascular risk. What it means, what raises it, and the lifestyle changes shown to bring it down.
6 min read - 🫀 Heart Health
High Homocysteine: What It Means for Your Heart and What Lowers It
What high homocysteine means, what raises it, how it relates to heart and stroke risk, and what B vitamin trials have and haven't shown.
7 min read - 🌿 Inflammation
How to Lower CRP Levels: 8 Strategies Compared
The diet, exercise, weight, sleep and supplement changes linked to lower CRP, and how much each has moved inflammation markers in studies.
8 min read