
Fishtown Medicine Library
Clinical Supplement Guides
Separating marketing hype from metabolic reality to support your unique physiology.

CoQ10: Sparking Mitochondrial Bioenergetics
Why your cells need CoQ10 to make ATP. Learn how this mitochondrial enzyme powers your heart, why statins deplete it, and ubiquinol vs ubiquinone explained.
Read Full Guide
Creatine: The Brain & Brawn Molecule
Evidence-based guide to Creatine Monohydrate supplementation in Philadelphia. Learn how 3-5g of Creatine supports cellular energy, muscle growth, and cognitive resilience.

MTHFR: The 'Anxiety' Gene?
40% of people have this genetic variant. It affects how you process folate, detoxify, and make neurotransmitters. Stop guessing and test.

Vitamin D3 + K2: A Strategic Pair
Why taking Vitamin D without K2 is incomplete, and how to keep calcium in your bones instead of your arteries.

Magnesium: The 300-Enzyme Essential
Why generic magnesium fails for anxiety. Learn how Glycinate specifically targets the NMDA receptor to turn off 'fight or flight' without sedation.

NAC: The Lung & Liver Guardian
Why NAC is called the 'master antioxidant builder.' Learn how this glutathione precursor protects your liver, clears brain fog, and fights urban oxidative stress.

Omega-3: The Essential Anti-Inflammatory
Why standard fish oil is often under-dosed. Discover the Medicine 3.0 approach: Targeting an Omega-3 Index >8% with precision EPA/DHA ratios for metabolic he...

Vitamin C: Immunity and Collagen Support
Vitamin C is not just for colds. It fuels your adrenal glands and builds collagen. Learn why liposomal Vitamin C is a major upgrade.

Vitamin D3: The Stewardship of a Hormone
Why the standard 50,000 IU green capsule (D2) fails, why you need K2, and how to survive a Philadelphia winter.

Ashwagandha: Managing the Stress Signal
Evidence-based guide to Ashwagandha (KSM-66 & Sensoril). Learn safe dosing for anxiety, sleep quality, and cortisol regulation from a Philadelphia physician.

B-Complex: The Metabolic Spark Plug
Evidence-based guide to Methylated B-Complex. Learn why 'tissue-ready' forms (5-MTHF, P-5-P) are critical for MTHFR, cellular energy, and crushing fatigue.

Berberine: A Potent Metabolic Regulator
Evidence-based guide to Berberine (HCl & Phytosome). Learn why it is a critical tool for blood sugar, cholesterol, and PCOS management.

Biotin: More Than Just Hair & Nails
Evidence-based guide to Biotin. Learn about the '2,500mcg' sweet spot for nails, preventing supplement acne, and critical FDA warnings on lab interference.

Black Pepper: The Bioavailability Booster
Evidence-based guide to Piperine (BioPerine). Learn how to use it to amplify Curcumin and CoQ10, and why managing the 'drug interaction window' is critical for safety.

Calcium: The Double-Edged Sword
Why taking Calcium without K2 can lead to misdirected calcification. A clinical perspective on protecting arterial health while building bone density.

Algae Oil: The Plant-Based Omega-3
Evidence-based guide to Algae Oil supplementation in Philadelphia. Learn why Algae Oil is a sustainable, fish-free source of bio-identical EPA and DHA.

Tallow: What's Actually Validated
Beef tallow is back in kitchens and skincare. What is actually backed by evidence (and what is not) from a doctor's perspective.

The Foundational Two: Vitamin D and Omega-3
Why we test everyone for Vitamin D and Omega-3 Index. The critical link to immunity, mood, and inflammation.

Supplement Exit Strategies: Why You Shouldn't Be on a Pill Forever
In Medicine 3.0, supplements are temporary 'bridges,' not lifetime subscriptions. Learn why Dr. Ash designs every strategy with a defined exit plan based on your data.

Chromium: The Insulin Sensitizer
A clinical guide to chromium supplementation for blood sugar stability, insulin sensitivity, and metabolic health.

DHEA: The Upstream Hormone
A clinical guide to DHEA supplementation. What it does, who might benefit, and the risks of unsupervised use.

Chamomile: More Than Just Tea
Evidence-based guide to Chamomile and its active compound Apigenin. Learn why it rivals prescription anxiolytics for increasing GABA and calming the nervous system.

Collagen: Building Structural Resilience
Evidence-based guide to Collagen Peptides. Strengthen tendons, improve skin elasticity, and support joint recovery for active Philadelphians.

Curcumin: Targeting the Inflammatory Fire
Evidence-based guide to Curcumin. Learn why 'powder' doesn't work, the importance of fat/piperine for absorption, and safety for blood thinners.

Ginkgo: Neuroprotection & Blood Flow
Evidence-based guide to Ginkgo Biloba. Learn about the '24/6' standardization, benefits for Raynaud's/cold hands, and safety warnings for blood thinners.

Glycine: The Secret to Deep Sleep & Detox
Evidence-based guide to Glycine supplementation in Philadelphia. Learn how 3g of Glycine can improve sleep quality, support joint health, and stabilize mood.

Green Tea: Metabolic Clarity in a Cup
Evidence-based guide to Green Tea Extract (EGCG). Learn about 'calm focus', metabolic support, and how to avoid liver stress.

Iron Bisglycinate: High Absorption, No Gut Pain
Evidence-based guide to Ferrous Bisglycinate (Iron) supplementation in Philadelphia. Learn why this gentle form of iron is superior for energy, fatigue, and recovery.

Medicinal Mushrooms: What Actually Works
Which medicinal mushrooms have real clinical evidence vs marketing hype? A doctor walks through PSK, lion's mane, reishi, and cordyceps.

Stop Guessing: Why Your Supplements Must Be Personalized to Your Data
Taking 20 pills because a podcast told you to? Dr. Ash explains why individual labs and metabolic markers are the ONLY way to justify a supplement treatment plan.

The Safety Seal Audit: NSF, cGMP, and How to Spot Professional-Grade Supplements
The supplement industry is unregulated. Dr. Ash explains how to read labels, verify NSF and cGMP testing, and pick safe, professional-grade supplements.

The "Greens Powder" Dilemma: Why Whole-Food Mimics Often Fail Your Labs
Is your daily scoop actually moving the needle? Dr. Ash breaks down the math behind proprietary blends and why single-ingredient precision wins.

The Prenatal Supplement Trap: Why 'Popular' Vitamins Often Fail
Taking a 'reputable' prenatal vitamin and still deficient? Why all-in-one supplements often fall short, and how Dr. Ash uses a targeted approach.

Milk Thistle (Silymarin): The Liver Protector
A clinical guide to milk thistle, what the evidence shows for liver health, detoxification, and metabolic support.

L-Tyrosine: Focus Under Pressure
Evidence-based guide to L-Tyrosine. The 'Executive Fuel' for high performers running on empty. Case study: Transforming a VP's focus and trajectory.

Lion's Mane: Neurogenesis & Mental Clarity | Fishtown Medicine
Evidence-based guide to Lion's Mane. Learn about Nerve Growth Factor (NGF), why 'Fruiting Body' matters, and dosing for cognitive endurance.

Melatonin: The Master Antioxidant
Evidence-based guide to Melatonin. Learn why less is more (0.3mg), how to use it for jet lag, and its role in neuroprotection.

PHGG: The Gentle Prebiotic Fiber
Evidence-based guide to Partially Hydrolyzed Guar Gum (PHGG) in Philadelphia. Learn how this low-FODMAP prebiotic fiber supports regularity without gas or bloating.

Phosphatidylcholine: Liquid Cellular Repair
Evidence-based guide to Phosphatidylcholine (PC). A foundational tool for cell membrane fluidity, hepatic clearance, and cognitive focus.

Phosphatidylserine: Blunting the Cortisol Spike
Why you feel 'Tired but Wired.' How Phosphatidylserine blunts the cortisol response and keeps aging brain cells fluid.

The Problem with the 'Mix': Why Simplicity is Safer
The clinical reasoning behind why we avoid 'sleep blends,' 'greens powders,' and 'proprietary mixes.' Why single-ingredient precision yields better data and safer care.

Probiotics: Restoring the Ecosystem
Evidence-based guide to probiotics. Why "more CFUs" is not better, and which specific strains actually work for IBS, antibiotics, and immunity.

Quercetin: The Systemic Allergy Shield
Evidence-based guide to quercetin. Why "stabilization" beats "blocking" for allergies. Case study: how Dr. Ash reversed his own cat allergy.

Reishi: The Anchor for the Wired Mind
For the "wired but tired" Philadelphian. How reishi (Ganoderma) serves as a "digital sunset" for your nervous system.

Rhodiola: Botanical Stress Resilience
Evidence-based guide to Rhodiola Rosea. Learn how to use this adaptogen for burnout, the importance of "Rosavins," and critical safety for bipolar disorder.

Saw Palmetto: Targeted Prostate Support
Evidence-based guide to saw palmetto. Understanding the mechanism (5-alpha reductase inhibition), dosing (320 mg extract), and screening for BPH mimics.

Sulforaphane: Turning On Your Defense Genes
Why sulforaphane is the most potent natural Nrf2 activator. Learn how this compound triggers Phase II detox enzymes, broccoli sprouts vs. supplements, and the myrosinase question.

Supplements: Test, Don't Guess.
Supplements are concentrated inputs. Our physician-led framework for Need, Safety, Purity, and Exit Strategy. Why we focus on biochemistry over buzzwords.

L-Glutamine: The 'Brick and Mortar' for Your Gut Lining
Stop just 'soothing' your gut. Learn how L-Glutamine repairs the physical structure of your intestinal lining, boosts immunity, and speeds up recovery.

Potassium: The Blood Pressure Regulator
Your 'normal' serum potassium might be hiding a deficiency. Learn why Dr. Ash tests RBC potassium, how it drives insulin sensitivity, and why 'eat more bananas' is bad advice.

Valerian: A Calm-Down Aid for Racing Minds
Evidence-based guide to Valerian Root. Learn how to use it for racing minds, why the smell is normal, and how to stay safe with sedatives.

Vitamin K2: Where Calcium Goes Matters
How Vitamin K2 protects your arteries while strengthening your bones, and why it is not the same as K1.

Zinc: A Gatekeeper for Your Immune System
Zinc is not just for colds. Learn how it supports testosterone, thyroid conversion, insulin sensitivity, and gut repair.