Health Guides & Supplement Safety

Welcome to the Health hub at Dolphin's NFL Health Shop. Here you’ll find plain‑English articles that cut through the jargon and give you the facts you need to stay safe and healthy. Whether you’re curious about a new herbal supplement, wondering how much potassium is right for you, or looking to buy medication online without a scam, we’ve got a short, useful guide for you.

How to Use This Site

Start by clicking the headline that matches your question. Inside each guide you’ll find a short summary, a list of key facts, and a practical “what to do next” section. If you’re buying medication online, follow our verification steps before you enter any payment info. For supplements, compare the listed risks with the alternatives we suggest – often a simple food change does the job.

Remember, these guides are for information only. Always talk to a healthcare professional before changing a dose or starting a new product. Our goal is to give you confidence when you discuss options with your doctor or pharmacist.

Got a topic we haven’t covered? Use the search bar at the top of the page and type in the name of the drug, supplement, or condition you’re interested in. We update our library regularly, so you’ll find the latest evidence and regulatory changes for 2025 and beyond.

Stay safe, stay informed, and make health decisions that work for your life.

Pediatric Antihistamine Dosing Errors: How to Prevent Dangerous Side Effects

Pediatric antihistamine dosing errors cause thousands of emergency visits each year. Learn how to avoid dangerous mistakes with Benadryl, Zyrtec, and Claritin by dosing by weight, using proper tools, and choosing safer alternatives.

Doctor’s Letter for Controlled Substances During International Travel: What You Must Know

A doctor's letter for controlled substances is essential for international travel with prescription meds like opioids, ADHD drugs, or benzodiazepines. Learn what must be in it, country-specific rules, and how to avoid detention abroad.

Prior Authorization Requirements for Medications Explained: What You Need to Know

Prior authorization is a common insurance requirement for certain medications. Learn how it works, which drugs require it, how to avoid delays, and what to do if your request is denied.

Generic Drug Availability: How Long After Patent Expiration Do They Actually Hit the Market?

Generic drugs don't appear immediately after patent expiration. Legal delays, patent thickets, and regulatory hurdles can push market launch out by years - costing patients billions. Here's how the system really works.

Why Switch to Generic Medications: Proven Savings and Equal Effectiveness

Generic medications save up to 85% on prescription costs without sacrificing effectiveness. Learn why they're just as safe and reliable as brand-name drugs-and how switching can improve your health and budget.

Crossover Trial Design: How Bioequivalence Studies Are Structured

Crossover trial designs are the gold standard for bioequivalence studies, using each participant as their own control to reduce sample size and increase accuracy. Learn how 2x2 and replicate designs work, when to use them, and why washout periods matter.

Long-Term Antihistamine Use: Why They Might Stop Working and What to Do

Many people notice their antihistamines stop working after months of use-but it's rarely true tolerance. Learn why symptoms return and what actually helps, from higher doses to immunotherapy.

Portal Vein Thrombosis: How Diagnosis and Anticoagulation Improve Outcomes

Portal vein thrombosis can be life-threatening but is treatable with early anticoagulation. Learn how diagnosis, imaging, and choosing the right blood thinner can prevent complications and improve survival.

How to Read Dose Measurements on Liquid Prescription Labels

Learn how to read liquid prescription labels correctly to avoid dangerous dosing errors. Understand concentration, use mL only, and always measure with the right tool for safe medication administration.

Hair Loss from Immunosuppressants: Causes and What You Can Do

Hair loss from immunosuppressants is common, especially with tacrolimus and methotrexate. Learn why it happens, who’s at risk, and how to safely manage it without risking your health.

How to Dispose of Expired Medications Safely at Home: Step-by-Step Guide for New Zealand Households

Learn how to safely dispose of expired medications at home using simple household items. Protect your family, prevent misuse, and stop pharmaceutical pollution with this step-by-step guide.

QT Prolongation: Medications That Raise Arrhythmia Risk

QT prolongation is a hidden heart rhythm danger caused by over 200 common medications. Learn which drugs raise arrhythmia risk, who's most vulnerable, and how to stay safe with simple ECG checks and smart prescribing.