Hormones
Thyroid, testosterone, cortisol, and the rest — what to test, what's optimal, and what to do when numbers drift.
- 🦋 Thyroid
Anti-TPO Antibodies High: What It Means for Your Thyroid
High anti-TPO antibodies signal Hashimoto's thyroiditis, an autoimmune thyroid condition. Learn what elevated TPO means and how to manage it.
9 min read - 📉 Hormones
Low Testosterone at 25-30: Causes, Symptoms, and What Your Blood Test Means
Why testosterone is declining in young men, what low T really means, diagnostic tests, and treatment options from lifestyle to TRT.
8 min read - 📉 Hormones
Testosterone 400 ng/dL: Low, Normal, or Fine?
Testosterone 400 ng/dL is 'technically normal' but low-normal. Symptoms and age matter more than the number.
6 min read - 🦋 Thyroid
TSH 3.0: Normal or Too High?
TSH 3.0 mIU/L is 'normal' by lab standards but suboptimal by functional medicine. Many doctors consider it borderline high.
5 min read - ⚡ Hormones
IGF-1 Levels: The Growth Factor That Helps You and Ages You
What IGF-1 is, what high and low levels mean on a blood test, the IGF-1 and longevity paradox, and what optimal levels look like for health and aging.
9 min read - 🧬 Hormones
Your Test Says Normal Testosterone But You Feel Terrible [Why]
600 ng/dL total + high SHBG = tanked free T. The 3-test panel doctors skip + fixes.
8 min read - 🦋 Thyroid
TSH Normal But Hypothyroid? Get the Full Panel [6 Tests Inside]
Your doctor tested TSH only. That's why early thyroid disease gets missed. Here's the complete workup.
8 min read - 🔗 Hormones
SHBG: Why Your Testosterone Is Locked Away [Fix in 6 Weeks]
High SHBG = hormones you can't use. The 4 interventions that actually lower it, backed by data.
7 min read - 🦋 Thyroid
TSH 4.5 mIU/L: Normal or Too High? The Thyroid Gray Zone Explained
Understanding TSH 4.5, subclinical hypothyroidism, and when to treat. Reference ranges, symptoms, and guidelines from endocrinologists.
7 min read - 💪 Hormones
Is YOUR Testosterone Low? Age-By-Age Reference [Calculator]
600 ng/dL looks normal but might be low for you. Functional ranges + the 7 tests you actually need.
8 min read