FREE SHIPPING on orders $50+ in the USA

Health and Nutrition

Why Does My Hydration Drink Upset My Stomach?

Why Does My Hydration Drink Upset My Stomach?

Nausea, cramping or diarrhea from an electrolyte drink usually traces to one of five things: concentration, sugar load, magnesium form and dose, sugar alcohols, or drinking too much too fast. Here's how to identify yours and fix it.

Read more

Where Can You Buy Iron Age Nutrition? Retail Stores and Online

Where Can You Buy Iron Age Nutrition? Retail Stores and Online

Iron Age Nutrition is stocked at GNC, Nutrishop, Healthsup, Runner's Depot, and independent specialty supplement and health food stores, with coverage strongest in South Florida and North Carolina. Here's how to find the store nearest you and what to do if your local shop doesn't carry it yet.

Read more

Best Electrolyte Brands for Hydration During Long Workouts

Best Electrolyte Brands for Hydration During Long Workouts

Eight electrolyte powders compared on the number that actually matters for long sessions — sodium per serving — plus potassium, magnesium, sugar, sweetener, and price per serving. With the research on how much sodium you really lose past the 60-minute mark.

Read more

Why Do I Keep Getting Muscle Cramps? Causes and What Actually Helps

Why Do I Keep Getting Muscle Cramps? Causes and What Actually Helps

An honest, research-backed look at what causes recurring muscle cramps during exercise and at night, and what the evidence says actually helps prevent them.

Read more

How Much Protein Do You Actually Need to Build Muscle?

How Much Protein Do You Actually Need to Build Muscle?

The evidence-based protein target for building muscle, broken down by bodyweight and goal. Per-meal doses, the truth about timing, protein for people over 40, and the myths worth ignoring.

Read more

Whey Isolate vs. Concentrate: What's the Difference and Which Should You Buy?

Whey Isolate vs. Concentrate: What's the Difference and Which Should You Buy?

Whey isolate vs. concentrate — how each is made, the real differences in protein, lactose, fat, and cost, and exactly who should pick which. A fair breakdown from a brand that sells both.

Read more

How Long Does Collagen Take to Work? A Realistic Timeline

How Long Does Collagen Take to Work? A Realistic Timeline

A realistic, research-backed timeline for collagen results by outcome, plus the doses, cofactors, and habits that speed things up or slow them down.

Read more

Do Electrolytes Break a Fast?

Do Electrolytes Break a Fast?

Sugar-free electrolytes generally don't break a fast and become more important while fasting. Here's what "breaking a fast" really means and what to check on the label.

Read more

Electrolytes Explained: What They Do, How Much You Need, and When Water Isn't Enough

Electrolytes Explained: What They Do, How Much You Need, and When Water Isn't Enough

A complete, research-backed guide to what electrolytes do, how much sodium athletes lose in sweat, why plain water isn't always enough, and how to pick a clean electrolyte supplement.

Read more

Is Stevia Bad for You? What the Science Really Says

Is Stevia Bad for You? What the Science Really Says

Whether you’re mixing up an electrolyte drink, sipping on a pre-workout, or sweetening your protein shake, stevia is everywhere. But is it actually good for you? Let's break it down with the latest research and regulatory guidance — no fluff,...

Read more