Ep. 144 - Bigger Doses Don’t Always Make Better Supplements
One bottle says 500 milligrams. Another says 1,000. Most of us reach for the bigger number, assuming it works better. After almost 25 years dev...
Continue
We’ve Been Waiting 15 Years for This Study
Dear Friends, Every once in a while, a scientific study comes along that feels especially rewarding. Not because it tells me something completely n...
Continue
Ep. 143 - Magnesium Is Not a Sleeping Pill. Here Is What It Actually Does
Magnesium relaxes muscles, but that is only part of the story. Carl Pradelli, CEO and Co-Founder of NatureCity, explains how magnesium suppor...
Continue
5 Tips for Picking an Aloe Vera Supplement that Actually Works.
Dear Friends, Recently, I shared some of my favorite reasons to use Aloe vera for digestive and gut health. As a quick refresher, Aloe vera may hel...
Continue
Ep. 142 - Resistant Starch: The Most Overlooked Fiber for Your Gut Microbiome
Not all fiber does the same job. Resistant starch is the type of fiber most modern diets have largely stripped out, and research suggests it ma...
Continue
This Is What Actually Builds and Protects Collagen
Dear Friends, Collagen has become one of the most popular supplement categories for skin, hair, joints, and healthy aging. And that makes sense bec...
Continue
Curcumin Confusion: What Supplement Companies Don’t Tell You
Dear Friends, When it comes to turmeric and curcumin, the real challenge is absorption. Because taking curcumin is one thing - getting your body to...
Continue
Ep. 141 - 3 Things Better Sleep Support Should Actually Do
Most sleep supplements were built around one idea: make you sleepy. But if you have ever felt tired but wired at bedtime, you already know tha...
Continue
The Low Dose Collagen for Skin, Hair and Nails - Part 2
Dear Friends, Today, I’m sharing Part 2 of my interview with Jocelyn Bérubé, who is the Executive Vice President for Scientific and Regulatory Affa...
Continue
Ep. 140 - The Nutrient That Decides Where Your Calcium Goes
Most people meet vitamin K2 through bone health. The less known story is what it does for your arteries. Subscribe for science-backed heal...
Continue
The Low Dose Collagen for Skin, Joints, and Hair - Part 1
Dear Friends, Collagen can be a confusing supplement topic and is often misunderstood. To help answer some common questions and explore an exciting...
Continue
Ep. 139 - 8 Magnesium Types in 1 Capsule? Here's What You're Really Getting
Some magnesium supplements look impressive on the label — especially those claiming large amounts of magnesium from a “complex” of multiple for...
Continue
Calming Energy: The Missing Link Between Focus and Stress
Dear Friends, Whether we realize it or not, stress is something most of us feel every day. We’re constantly being pulled in different directions. E...
Continue
Ep. 138 - The Joint Ingredient Most People Overlook (It's Inside an Eggshell)
Many people reach for glucosamine or chondroitin when they think about joint supplements. The ingredient with some of the strongest human resea...
Continue
Magnesium Glycinate vs. Bisglycinate: What Supplement Companies Don’t Tell You
Dear Friends, In this letter we’re tackling a magnesium topic that confuses a lot of people —the difference between magnesium glycinate and magnesi...
Continue
New Study on Biotin & Silica for Hair
Dear Friends, Hair thinning and excess shedding are concerns that affect millions of people. While genetics certainly play a role, nutrition also h...
Continue
Ep. 137 - The Truth About Amla: Why Hair Isn't the Main Story
Amla is everywhere in haircare right now—but what does the science actually support? Carl Pradelli breaks down what this trending ingredient do...
Continue
How Ubiquinol Helps Brain, Bone & Muscle Health
Dear Friends, In my last Letter, we focused on how ubiquinol — the active form of CoQ10 — supports heart health. We reviewed how the heart beats a...
Continue
Ep. 136 - Why Bone Health Support Should Start Earlier Than You Think
Most women don't think about bone health until their 60s or 70s — and by then, bone loss can already be well underway. In this episode, Carl Pr...
Continue
Ep. 135 - Why Taking Collagen Alone Isn't Enough (And the 5 Nutrients Most People Miss)
Collagen is the most abundant structural protein in the human body, and it holds together everything from skin and cartilage to tendons, ligame...
Continue
4 Ways Ubiquinol Supports Heart Health
Dear Friends, When it comes to heart health, we’re often reminded to think about cholesterol, blood pressure, and exercise. All very important. Tod...
Continue
Omega-3 Blood Levels Matter for Brain Health
Dear Friends, A few months ago, I wrote a letter on omega-3s and brain health where we reviewed how important EPA and DHA are for the structure and...
Continue
Ep. 134 - Turmeric and Curcumin Are Not the Same Thing
Turmeric is one of the most popular supplements for joint comfort, healthy aging, and a healthy inflammation response. But here’s the problem: ...
Continue
New Resveratrol Study: More Youthful Looking Skin
Dear Friends, Resveratrol has been discussed for years in the context of healthy aging, heart health, and longevity. Most of that conversation has ...
Continue
Ep. 133 - Calming Energy: How to Stay Focused Without Caffeine Crashes
Struggling to stay focused without reaching for another cup of coffee? Carl Pradelli, CEO and Co-Founder of NatureCity, explains why stimulation...
Continue
Longevity Supplements: Why the Basics Still Matter Most
Dear Friends, Longevity has become one of the hottest topics in nutrition and wellness. Everywhere you look, there’s a new supplement promising to ...
Continue
Stress Is Doing More Damage Than You Think
Published in recognition of National Stress Awareness Month | April 2026 Most people think of stress as something mental. A feeling. A mood. Some...
Continue
Coffee, Tea and Bone Health UPDATE
Dear Friends, Last year, we tackled a hot question: Is caffeine ruining your bones? And I shared the good news that, for most people, moderate cof...
Continue
Ep. 132 - Magnesium Bisglycinate Chelate vs. Glycinate: What You’re Not Being Told
Is your magnesium supplement actually what it claims to be? Carl Pradelli, CEO and Co-Founder of NatureCity, breaks down the critical diffe...
Continue
How Levagen+ PEA Helps Joints, Sleep, Stress & More
Dear Friends, Today we’re diving into an ingredient that does a lot of heavy lifting when it comes to joint comfort, muscle recovery, and daily res...
Continue
