Blood Testing


Friday Oct 27 2017 | by Dr. J. E. Williams

Scientific evidence mounts to support the idea that low vitamin D levels contribute to cancer growth, and that optimizing vitamin D levels helps ... more »


Friday Sep 8 2017 | by Dr. J. E. Williams

For my patients, getting tested for C-Reactive Protein (CRP) is as necessary to disease prevention as flossing your teeth or getting your LDL ... more »


Friday May 26 2017 | by Dr. J. E. Williams

Whether you’re concerned about the food you eat, your daily habits, your hormones, or your heredity – blood tests offer vital insight ... more »


Friday Oct 7 2016 | by Dr. J. E. Williams

I discovered the Life Extension Foundation (LEF) in the 1990’s and have been a physician affiliate ever since. Among its many cutting-edge ... more »

How to Restore Life & Radiance to Dull, Dry, and Thinning Hair

Friday Jul 17 2015 | by Dr. J. E. Williams

Hair is a living, ever-growing tissue. As living tissue, hair requires a consistent supply of nutrients every day. What do my patients often complain ... more »

The Answer to Your Unknown Health Condition: from a New Blood Test?

Friday Jul 10 2015 | by Dr. J. E. Williams

Finding a viral cause for chronic illnesses is like working with a giant jigsaw puzzle. The real cause is invariably hidden deep within the immune ... more »

Do B12 Shots Really Increase Energy?

Friday May 8 2015 | by Dr. J. E. Williams

“B12 injections are useful when you need them, but unless you’re B12 deficient,you’re not likely to get a quick ... more »

Optimize Your 25-Hydroxy Vitamin D Level To Improve Your Chances of Preventing and Surviving Cancer

Friday Apr 10 2015 | by Dr. J. E. Williams

Vitamin D, the rising star of nutrients, gets even brighter. Scientific research on vitamin D includes more than 62,000 published studies, and more ... more »

Thyroid Hormone Testing: What’s the Best TSH Level?

Friday Jul 25 2014 | by Dr. J. E. Williams

Your doctor says you don’t need treatment, but could he or she be wrong? Thyroid-stimulating hormone (TSH) is secreted by cells in the front ... more »

Optimal Wellness: When to Retest Your Blood Work

Friday Apr 18 2014 | by Dr. J. E. Williams

If your last test revealed abnormal levels, when do you test again? Patients often ask me when should they get new blood tests. The answer is ... more »

All You Need to Know About Your Health—from One Drop

Friday Mar 7 2014 | by Dr. J. E. Williams

Forget the needles—you can learn all you need to know about your health with a single drop of blood. No one thinks that lab testing is a positive ... more »

Your Personal Health Code: How to Start Your Year Without Resolutions

Friday Jan 3 2014 | by Dr. J. E. Williams

Rather than make resolutions you may not keep, why not create your own health code for 2014? Are New Year’s resolutions necessary? We make them all ... more »

5 Ways to Increase White Blood Cell Count—Naturally

Monday Dec 30 2013 | by Colleen M. Story

If you’re suffering from a low white blood cell count, increasing your intake of garlic may help. A number of health conditions can cause the white ... more »

New Guidelines on Blood Pressure Drugs—10 Ways to Lower Yours Naturally

Friday Dec 27 2013 | by Dr. J. E. Williams

Cutting back on sodium is still a good, natural way to lower high blood pressure. The New York Times was recently abuzz with multiple articles and ... more »

10 Top Blood Tests to Take for Your Best Health

Wednesday Oct 23 2013 | by Colleen M. Story

What should you look for when getting your blood tested? A blood test can tell you a lot about your health. In fact, nearly two-thirds of the data for ... more »

Telomere Update: Healthy Lifestyle Choices Slow Aging

Friday Oct 18 2013 | by Dr. J. E. Williams

What are telomeres and how do they affect your life? Getting your telomeres tested is the latest way to check how fast, or slow, you’re aging. ... more »

Worried About Mercury Exposure? Arsenic May Be Worse—How to Test Your Levels

Friday Sep 6 2013 | by Dr. J. E. Williams

Could your health symptoms be caused by a toxic blood level of arsenic? Read on to find out how to tell. Do you fear heavy metal toxicity? If so, you ... more »

Could the Herbs You’re Taking Cause Life-Threatening Bleeding?

Wednesday Jul 10 2013 | by Colleen M. Story

Some herbs like gingko biloba (pictured here) can thin the blood, increasing the risk of excessive bleeding. According to research performed at the ... more »

Prostate Health: Should You, or Shouldn’t You, Get a PSA Test?

Friday Apr 12 2013 | by Dr. J. E. Williams

Today’s cancer screening recommendations can be confusing. What’s the best way to protect your health? Prostate cancer is the most common ... more »

Man Versus Mercury: Toxic Metal Sensitivity and Your Health

Friday Mar 1 2013 | by Dr. J. E. Williams

Do you know how much mercury you’ve accumulated over the years? What’s an acceptable level of mercury in your body? I tell my patients ... more »

Could Your Cholesterol Be Too Low? Risks Include Cancer and Depression

Wednesday Feb 27 2013 | by Colleen M. Story

Most people are trying to keep their cholesterol numbers down, but when is low too low? The Centers for Disease Control and Prevention (CDC) states ... more »

Edema—What Causes it and How to Get Rid of It

Monday Jan 14 2013 | by Kevin Gianni

Swelling in the legs is often caused by edema, which can be treated with at-home remedies. About 4.4 million people in the U.S. suffer from edema. ... more »

Test Your Hormones: Which One is Best?

Friday Jan 11 2013 | by Dr. J. E. Williams

When checking your hormone levels, is a blood test always best? There are three bodily fluids used for measuring hormone levels: blood, urine, and ... more »

Natural Solutions for Anemia

Monday Jan 7 2013 | by Kevin Gianni

If you’re suffering from iron-deficiency anemia, a few figs a day may help you feel better. Treatments for anemia typically vary depending on ... more »

Do You Eat Super-Healthy, But Still Feel Like Crap? : Exclusive Renegade Health Article

Tuesday Jun 26 2012 | by Kevin Gianni

Eating cornstalk in Peru — Hey, I’ll try anything to get healthier, so should you… I’m pretty sure you’ve been there ... more »

Under the Hood of The Complete Blood Test Blueprint Program — Take a Behind the Scenes Look at This New Cutting-Edge Program: Exclusive Renegade Health Article

Friday Jun 8 2012 | by Kevin Gianni

Take a look behind the scenes at this awesome new program! Hey everyone, we’ve been getting a lot of questions about the new Blood Test ... more »

How to Know If Your Diet and Supplements are Working For You… : Exclusive Renegade Health Article

Thursday Jun 7 2012 | by Kevin Gianni

A snapshot of something I’m really proud of — and that promises to be super-helpful for you! Today is a special day here at Renegade ... more »

Stop All the Medical Tests! : Guest Author Dr. David Brownstein

Wednesday Apr 25 2012 | by Dr. David Brownstein

Did your doctor recommend an EKG? Think twice before you go through it. As detailed in a recent article in the New York Times, a group of nine medical ... more »

The Best Way to Know if Your Diet is Working or Not : Renegade Health Show Episode #923

Wednesday Feb 29 2012 | by Kevin Gianni

“Is the vegan diet right for me?” “What do you think about raw milk?” “How about the paleo diet… Mark Sisson looks ... more »

Doctors Make Mistakes, But Won’t Tell Anyone, Plus a New and Surprising, Personal Blood Test Result : 7 Things I Learned This Week

Tuesday Jan 31 2012 | by Kevin Gianni

So much nicer than snow in the Northeast and clouds in Berkeley! (Sarasota, Florida) It’s been an awesome week in Sarasota with a lot of ... more »

Every Health Expert Says Their Diet is the Best — Who’s Right? : Exclusive Renegade Health Q & A

Thursday Jan 19 2012 | by Kevin Gianni

I’d love to eat pineapple all the time, but my health guru says I can only eat it on Sundays… when it’s raining… and only if I ... more »

Hurricane Updates, Blood Testing Guidelines and Upcoming Awesomeness : Video Week in Review

Monday Aug 29 2011 | by Kevin Gianni

We didn’t get to do a weekly video review last Friday, so today, we’ve got one for you… This week, Ann and I talk about Hurricane ... more »

Top 10 Blood Tests for Vegetarians and Vegans : An Exlusive Renegade Health Article by Dr. J.E. Williams

Thursday Aug 25 2011 | by Dr. J. E. Williams

If you eat a vegan or vegetarian diet, you’ll most likely boost your folic acid and antioxidant levels; but, you could be vulnerable to low B12, ... more »

Blood Test Q & A from the Doctor (Program Q & A) : An Exclusive Renegade Health Article by Dr. J.E. Williams

Wednesday Jul 20 2011 | by Dr. J. E. Williams

Standard lab tests like the complete blood count, chemistry panel, and lipid profile are usually very reasonably priced. These should cost well under ... more »

Do You Believe These 4 Myths About Blood Tests? : Renegade Health Exclusive Article

Wednesday Feb 23 2011 | by Kevin Gianni

Yes, Virginia, misinformation does exist. (I know, this picture has nothing to do with the caption or the article, but I think it’s ... more »

Annmarie’s Personal Blood Test Analysis : Renegade Health Exclusive Article

Tuesday Feb 22 2011 | by Kevin Gianni

Annmarie is going to be eating more of these sushi rolls! As you know, both Annmarie and I recently had Dr. Williams read our blood tests… We ... more »

Annmarie’s Blood Test Consultation with Dr. J. E. Williams : The Renegade Health Show Episode #766

Tuesday Feb 22 2011 | by Kevin Gianni

Yesterday, I published my blood test consultation and my analysis of them… Today, we have Annmarie’s test consultation. She was actually a ... more »

Kevin’s Blood Test Consultation with Dr. Williams : The Renegade Health Show Episode #765

Monday Feb 21 2011 | by Kevin Gianni

In Sarasota, we met with Dr. Williams to get our blood tested and see how we’re progressing… The good news is that there has been some ... more »

My Personal Blood Test Analysis : Renegade Health Exclusive Article

Monday Feb 21 2011 | by Kevin Gianni

Lessons from the wiser: “Yes, Kevin, tangerines are healthy… but that doesn’t mean you should eat 100 in one sitting.” As you ... more »

How Often Should You Test Your Vitamin D and B12 Levels : The Renegade Health Show Episode #761

Tuesday Feb 15 2011 | by Kevin Gianni

Like I said yesterday, we’re spending some time in Sarasota with Dr. J. E. Williams… I asked on the blog a few weeks ago, what questions ... more »

Is 400 IU Enough Vitamin D to Raise Your Levels? : Exclusive Renegade Health Article

Wednesday Feb 2 2011 | by Kevin Gianni

Sunset over Salt Lake City It’s been a crazy few days while we’ve been getting on the road… So crazy, I didn’t even have time ... more »

Can You Get Enough Vitamin D from the Sun (7 Things I Learned This Week) : The Renegade Health Newsletter

Saturday Sep 18 2010 | by Kevin Gianni

We’ve seen a lot of sunsets, but this one is Ft. Bragg, CA was special. Before I start, just wanted to tell you that we’ve worked out a ... more »

Air Conditioning Makes My Throat Sore (The 7 Things I Learned this Week) : The Renegade Health Newsletter

Saturday Sep 4 2010 | by Kevin Gianni

Jonny 5 and Flat Stanley like being on the road too… This will be the third week in a row, that I’ve posted this list of 7 ... more »

What Raw Foodies, Vegans and Vegetarians Need to Know : The Renegade Health Newsletter

Thursday Sep 2 2010 | by Kevin Gianni

Sebastian enjoying a Peruvian smoothie… Ingredients: Raw egg, condensed milk, banana, malt, papaya, carrot juice, and beer (I forget the ... more »

What if You Thought You Were Healthy, But You Weren’t… : The Renegade Health Newsletter

Monday Aug 30 2010 | by Kevin Gianni

This guy just needs some grass and he’s happy and healthy… we’re a little different. I did… A while back, I thought I was ... more »

What Medical Tests You Should Take (Revisited) : The Renegade Health Show Episode #588

Thursday Jun 10 2010 | by Kevin Gianni

The last few emails that I sent out have generated a ton of feedback… Today, I talk about what medical tests you should think about taking, why ... more »

Can Not Believing In Supplements Harm Your Health – The Renegade Health Show Episode #496

Tuesday Feb 2 2010 | by Kevin Gianni

I can’t say I’ve been around this planet for too long… But what I do know is that nothing is guaranteed. Even in the last few years, ... more »

Questions about Vitamin D2 and D3, Plus Lyme Disease and More – The Renegade Health Show Episode #480

Monday Jan 11 2010 | by Kevin Gianni

It seems like there were a lot of vitamin D questions over the last couple of weeks, since we shared our blood work… Today, I address those ... more »

What is Salba and More on Blood Testing – The Renegade Health Show Episode #475

Monday Jan 4 2010 | by Kevin Gianni

We’re in a hairy situation here in Vermont… No INTERNET!!!! It was easier to get internet in Peru, when we were there! LOL 🙂 Anyway, we ... more »

Good Sources of Iron for Vegans – The Renegade Health Show Episode #471

Tuesday Dec 29 2009 | by Kevin Gianni

Yesterday, Annmarie shared that her iron levels had increased without eating any meat… A bunch of you wanted to know what she ate. So today, ... more »

Are Our Blood Test Results Low – The Renegade Health Show Episode #470

Monday Dec 28 2009 | by Kevin Gianni

Today, we share with you our most recent blood test results… There are some low numbers that we’re going to discuss and tell you if we ... more »

Where to Get a Hair Mineral Test and More – The Renegade Health Show Episode #439

Friday Nov 13 2009 | by Kevin Gianni

This Friday is “Question Day”… Some of the questions I address today are, where to get a hair mineral test, how to get more fruits ... more »

How to Keep Your Skin Tight as You Age – The Renegade Health Show Episode #328

Thursday Jun 11 2009 | by Kevin Gianni

In today’s video, I address Wendy’s question about how to keep your skin tight as you age… Now obviously Annmarie and I don’t ... more »

Live Blood Analysis LIVE – The Renegade Health Show Episode #184

Friday Nov 14 2008 | by Kevin Gianni

This show is a real treat! Jasmine and Michael allowed us to film my live blood analysis! 🙂 I was grateful that they let us and was pretty ... more »