Rhonda Collins, FNP-C

Board-certified Family Nurse Practitioner · Mito Health

Rhonda Collins, FNP-C, is a board-certified Family Nurse Practitioner with over 15 years of nursing experience. She specializes in preventative wellness, primary care across the lifespan, dermatology, and biomarker-driven care, combining clinical expertise with a personalized approach to help patients optimize their health. Her passion lies in empowering patients to be educated partners in their health journeys with the goal of achieving their short-term and long-term health goals.

Family Nurse Practitioner (FNP-C)
15+ years of nursing experience
Mito Health

About

With over 15 years of nursing experience and 4.5 years as a Family Nurse Practitioner, Rhonda Collins, FNP-C, brings a comprehensive and patient-centered approach to modern healthcare. Board-certified to care for patients across the lifespan, she combines deep clinical expertise with a passion for preventative wellness and personalized treatment.

Her diverse background includes adult and pediatric cardiac intensive care, primary care, and pediatrics, alongside extensive experience in advanced dermatology and aesthetic medicine. She specializes in comprehensive skin evaluations, chronic skin condition management, hair loss, hyperhidrosis, hormone optimization, and medically guided weight management.

In addition to medical dermatology, Rhonda is highly skilled in procedural and aesthetic treatments, including minor surgical procedures, neuromodulators, dermal fillers, and advanced laser therapies. Her approach emphasizes natural, balanced results that enhance each patient’s confidence while prioritizing long-term skin health.

At Mito Health, she focuses on leveraging biomarker-driven insights to deliver personalized, evidence-based care through telehealth. She is dedicated to empowering patients with the knowledge and tools they need to optimize their health, longevity, and overall well-being.

Articles medically reviewed by Rhonda

Sep 25, 2026

Are Vitamins and Supplements HSA or FSA Eligible?

Most vitamins and supplements are not HSA or FSA eligible. Learn the IRS rule, when a Letter of Medical Necessity can change the answer, and what your HSA or FSA can pay for instead.
Sep 24, 2026

Low Neutrophils on a CBC: What a Low ANC Means and When to Worry

A low neutrophil result on a routine CBC is common and often mild. Learn how to read the Neutrophils % and Absolute Neutrophils (ANC) lines, the usual causes, including a lifelong Duffy-null pattern, and which patterns need prompt follow-up.
Sep 23, 2026

High Immature Granulocytes on a CBC: What IG% and Immature Grans Abs Mean

Immature granulocytes (IG) are young white blood cells released early from the bone marrow. A high IG% or Immature Grans Abs usually reflects infection, inflammation, recent injury, pregnancy, or steroids. Learn how to read the flag, including a small one that stays high for months.
Sep 22, 2026

What Is a GlycA Test? GlycA vs hsCRP for Chronic Inflammation

One marker swings with a cold and a hard training week. The other is steadier by design. What each one is actually good for.
Sep 22, 2026

High Lymphocytes on a Blood Test: Causes and What Your Result Means

A high lymphocyte count usually reflects a recent infection or another reactive trigger. Learn how to read the absolute count, what the common causes are, and how the neutrophil and monocyte lines on the same differential change the interpretation.
Sep 22, 2026

Best Thyroid Test: At-Home Kits vs Lab Panels Compared

How at-home thyroid kits compare with a build-your-own lab panel on markers, price, turnaround, and clinician follow-up.
Sep 22, 2026

CBC Blood Test Results Explained: What Each Line Means

A line-by-line guide to CBC results, including red blood cell indices, the white blood cell differential, platelets, and what to do when a result is flagged.
Sep 22, 2026

Titer and TB Tests for School or Work: The 4 Health Clearance Tests You May Need

Four blood tests cover most school, clinical-training, and employment health requirements. Learn which one documents what, and how to match your form to the exact test before you order.
Sep 18, 2026

What Causes Easy Bruising, and What Blood Tests Can Check

Some causes of easy bruising can be checked with bloodwork and a large share cannot. Here is the short list of patterns that need prompt medical attention, the causes that are answered by your skin and your medicine cabinet rather than a lab, and the exact test to start with for each blood-testable contributor.
Sep 18, 2026

How to Test for Histamine Intolerance: What Blood Tests Can and Cannot Confirm

No single blood test confirms histamine intolerance. What plasma histamine and DAO activity testing actually measure, why the workup is a supervised elimination and reintroduction, and how mast cell activation syndrome differs.
Sep 17, 2026

What Causes Dizziness, and What Blood Tests Can Check

Most dizziness is not diagnosed by bloodwork. A specific short list of contributors can be checked, and a few presentations are emergencies. Here is how to tell them apart, the marker to start with for each blood-testable cause, and where each one stops.
Sep 17, 2026

How Many Grams of Whole Grain per Day to Lower Cholesterol

A new pooled analysis of 87 randomized trials puts a number on it, and a range where the trials stop.
Sep 17, 2026

Allergy Test Cost: What You Are Paying For and What Changes the Price

What allergy testing costs, the four things that actually move the number, how cash-pay compares with running it through insurance, and why a bigger panel is not automatically better value.
Sep 15, 2026

PhenoAge blood test in 2026 - What it is, and where you can get it tested

The blood tests needed to calculate PhenoAge are available through Mito Health for under $40, including a Quest lab draw. No membership required.
Sep 15, 2026

Fish Oil and Brain Health: What a Two-Year DHA Trial Actually Found

The omega-3 reached the brain. The benefit did not follow. What that gap means for anyone taking fish oil for their memory.
Sep 14, 2026

Does Alcohol Cause Inflammation? What Blood Tests Can Show

Alcohol can contribute to inflammation, especially with heavy or repeated exposure. Learn what hs-CRP and liver markers can show, and what they cannot prove.
Sep 14, 2026

Electrolyte Imbalance Symptoms: Signs, Causes, and Testing

Electrolyte imbalance symptoms can overlap with many other conditions. Learn which signs may prompt testing, common causes, and what an electrolyte blood panel checks.
Sep 11, 2026

How to Read DEXA Scan Results: T-Scores and Z-Scores

Learn which bone-density score applies to you, what the number compares, and why the result is only one part of your bone-health assessment.
Sep 10, 2026

Anion Gap Blood Test: What High and Low Results Mean

Understand the anion gap calculation, why normal ranges differ, and what to ask about a high or low result.
Sep 9, 2026

Normal Testosterone Levels by Age: Reference Ranges Explained

Compare adult testosterone reference ranges by age, understand laboratory differences, and learn why draw time and repeat testing matter when reading your result.
Sep 8, 2026

How to Test for H. pylori: Breath, Stool, and Blood Tests

Compare H. pylori tests, understand breath-test preparation, and know what to discuss with your clinician before testing and after results.
Sep 8, 2026

Parathyroid Hormone (PTH)

Understand PTH results alongside calcium and vitamin D.
Sep 8, 2026

Thyroid Peroxidase Antibodies (TPO)

Understand what a positive TPO antibody result means, how laboratory ranges differ, and why TSH and symptoms matter.
Sep 4, 2026

High Eosinophils on a Blood Test: What Your Result Means

A high eosinophil count often fits allergy, asthma, eczema, or a medication reaction. Learn how to read the absolute count, when to follow up, and why one result does not diagnose cancer.
Sep 4, 2026

BMP vs CMP: Key Differences Explained

Compare the 8 tests in a basic metabolic panel with the 14 tests in a comprehensive metabolic panel, including the 6 measurements only a CMP adds.
Sep 3, 2026

QuantiFERON-TB Gold Plus Test Cost: Price Comparison in 2026.

Compare the advertised and all-in cash cost of a QuantiFERON-TB Gold Plus test across Mito Health and other U.S. self-order providers.
Sep 2, 2026

High Creatine Kinase (CK): Exercise or Something Else?

A high creatine kinase result can follow hard or unfamiliar training, but symptoms, medications, and whether CK stays elevated determine when it needs medical evaluation.
Aug 31, 2026

At-Home Blood Draws Are Here: How Mito's Mobile Phlebotomy Works

Mito customers with eligible standard lab orders can now request a licensed phlebotomist to collect their blood samples at home.
Aug 28, 2026

QuantiFERON-TB Gold for School or Work: What You Need to Know

Learn what to verify before ordering QuantiFERON-TB Gold Plus for school, clinical training, healthcare employment, or another workplace requirement.
Aug 28, 2026

TB Blood Test vs. PPD Skin Test: What’s the Difference?

Compare the one-visit IGRA blood test with the PPD skin test, including BCG vaccination, timing, interpretation, and follow-up.
Aug 28, 2026

Why You May Need a TB Test Before Biologics or Immunosuppressants

Learn why some immune-modifying medications require TB evaluation before treatment and what a positive, negative, or indeterminate result can mean for the next step.
Aug 28, 2026

Do You Need a TB Test After Travel or Living Abroad?

Learn when travel-related TB testing may be useful, why exposure setting matters more than a country label alone, and how post-travel timing and BCG vaccination affect the plan.
Aug 28, 2026

TB Testing With HIV or a Weakened Immune System

Learn why HIV and other forms of weakened immunity change TB risk, how they can affect test results, and when clinician-directed evaluation matters.
Aug 28, 2026

When Should You Get a TB Test After Exposure?

Learn when to seek guidance after possible TB exposure, why an early test may need to be repeated, and which symptoms should not wait.
Aug 27, 2026

CHIP Testing vs Standard Cardiovascular Risk Assessment

How clonal hematopoiesis (CHIP) testing compares with lipids, Lp(a), blood pressure, risk calculators, and a calcium score. CH complements standard assessment, it does not replace it.
Aug 27, 2026

Does a Standard Blood Test Detect CHIP? CBC vs. CH Sequencing

A routine complete blood count cannot detect clonal hematopoiesis. Finding a low-frequency somatic clone requires targeted CH sequencing, which reads specific genes down to a very low variant allele frequency.
Aug 27, 2026

Early Signs and Symptoms of Leukemia in Adults

Early leukemia symptoms like fatigue, easy bruising, and frequent infections are common and usually benign, so persistent or unexplained ones deserve a clinician evaluation.
Aug 27, 2026

Early Signs and Symptoms of Ovarian Cancer

Ovarian cancer symptoms are subtle and easy to dismiss. Learn the signs worth a prompt clinician visit, why CA-125 alone is a poor screen, and where personalized detection fits.
Aug 27, 2026

Early Signs and Symptoms of Pancreatic Cancer

Pancreatic cancer symptoms are vague and easy to miss. Learn which signs deserve a prompt clinician visit and where blood-based early detection fits for people at higher risk.
Aug 27, 2026

How Ancestry, Genetics, and Aging Shape Your Cancer Risk

Population averages are not your personal odds. Ancestry, inherited genes, exposures, and age each shift cancer risk, and they point to what to screen for.
Aug 27, 2026

How to Get Tested for Clonal Hematopoiesis (CHIP): Cost and Steps

Clonal hematopoiesis testing needs a clinician order and a specialized blood draw. Here is how to arrange one, what it costs, and how to prepare.
Aug 27, 2026

Multi-Cancer Blood Test: What It Costs and How to Get One

A multi-cancer blood test needs a clinician order and is rarely covered by insurance. Here is what drives the price and how to get one through Mito's telehealth path.
Aug 27, 2026

Silent Heart Attack: Risk Factors When There Are No Warning Signs

A silent heart attack causes few or atypical symptoms, so knowing your risk factors matters more than waiting for classic chest pain.
Aug 27, 2026

What Is Clonal Hematopoiesis (CHIP)? A Blood Signal That Links Aging, Heart Risk, and Blood Cancer

Clonal hematopoiesis is an age-related change in blood stem cells. It is a measurable signal associated with higher cardiovascular and blood-cancer risk, but it is not a diagnosis and not a guideline-endorsed screening test.
Aug 27, 2026

What Is a Multi-Cancer Early Detection (MCED) Test?

A multi-cancer early detection test looks for signals from many cancers in one blood draw. It is a screening adjunct, not a diagnosis, and does not replace guideline screening.
Aug 27, 2026

Alcohol Before a Blood Test: When to Avoid It and What to Do

Learn why alcohol can matter before blood work, why there is no universal waiting period, and what to do if you drank before a scheduled test.
Aug 27, 2026

Biotin and Blood Tests: How Supplement Interference Happens

Learn how biotin can interfere with certain laboratory methods, which questions to ask before a blood test, and why stopping guidance must be test-specific.
Aug 27, 2026

Clonal Hematopoiesis and Heart Disease: What the Link Means

Clonal hematopoiesis is an age-associated blood signal that cohort studies link to higher heart attack and stroke risk. It is not a diagnosis and not guideline screening.
Aug 27, 2026

Clonal Hematopoiesis (CHIP): The Complete Guide

What clonal hematopoiesis is, the 15 genes a CardioHemeRISK test reads, how the score works, and how to act on results.
Aug 27, 2026

Coffee Before a Blood Test: Does It Break a Fast?

Learn when coffee matters before blood work, why black coffee is not treated like plain water, and what to do if you drank it before a fasting test.
Aug 27, 2026

Fasting for Blood Work: What You Can Have and How to Prepare

Learn when blood work may require fasting, what counts as fasting, and what to do if you eat or drink before your appointment.
Aug 27, 2026

Multi-Cancer Early Detection Test Guide: Who It Is For and How to Choose

A complete guide to multi-cancer early detection testing, covering who it fits, who it does not, how Core, Me, and 12 differ, how to prepare, and how to read results.
Aug 27, 2026

How to Build a Personalized Cancer Screening Plan After 40

A four-step plan for adults over 40. Know your personal risk, screen with proven guideline programs, close the gaps with an MCED test chosen to you, then reassess every year.
Aug 27, 2026

High Magnesium Symptoms and What the Result Means

Learn which symptoms can occur with high magnesium, why serum and RBC tests differ, and when the result needs prompt review.
Aug 27, 2026

High T3 Symptoms and What the Result Means

Learn which symptoms may occur with a high T3 result and why TSH, T4, medicines, illness, and the exact assay matter.
Aug 27, 2026

High T4 Symptoms and What the Result Means

Learn which symptoms may occur with a high T4 result and why TSH, T3, medicines, pregnancy, and the exact assay matter.
Aug 27, 2026

High Zinc Symptoms and What the Result Means

Learn which symptoms can occur with excess zinc and why supplements, exposure timing, copper status, and the laboratory method matter.
Aug 27, 2026

Low Folate Symptoms and What the Result Means

Learn which symptoms can occur with low folate and why blood-count results, vitamin B12, medicines, diet, and absorption matter.
Aug 27, 2026

Low Magnesium Symptoms and What the Result Means

Learn which symptoms can occur with low magnesium, why the test method matters, and what context to review next.
Aug 27, 2026

Low T3 Symptoms and What the Result Means

Learn which symptoms may occur with a low T3 result and why TSH, T4, illness, medicines, and the exact T3 assay matter.
Aug 27, 2026

Low T4 Symptoms and What the Result Means

Learn which symptoms may occur with a low T4 result and why TSH, T3, medicines, illness, and the exact T4 assay matter.
Aug 26, 2026

Anemia Tests: Which Blood Tests Find Anemia and Its Cause?

A CBC can identify anemia, but finding the cause often requires ferritin, iron studies, a reticulocyte count, or other follow-up tests.
Aug 21, 2026

Personalized mRNA Melanoma Vaccine Reports Positive Phase 3 Results

Merck and Moderna say intismeran plus pembrolizumab improved two measures of melanoma recurrence after surgery, but the full Phase 3 data are not yet public.
Aug 20, 2026

Fatty Liver Disease Symptoms: What to Look For, and What to Test Instead

Most people with fatty liver disease have no symptoms at all. Here is what the condition actually feels like, why normal liver enzymes do not rule it out, and the specific blood tests that catch it early.
Apr 23, 2026

Estradiol vs DHEA-S: Key Differences Explained

Estradiol is an active estrogen mostly made by the ovaries. DHEA-S is an adrenal precursor the body can turn into estrogen and testosterone. Learn how they differ and how to read them together.
Apr 23, 2026

Estradiol vs SHBG: Key Differences Explained

Estradiol is a hormone and SHBG is the protein that carries it. Learn how SHBG changes how much estradiol and testosterone are free to act, and how to read the two together.
Apr 23, 2026

Estradiol vs FSH: Key Differences Explained

Estradiol and FSH regulate each other in a feedback loop between the ovaries and the pituitary. Learn how they differ, why they are tested together, and how to read the pair.
Apr 23, 2026

Estradiol vs LH: Key Differences Explained

Estradiol from the ovaries helps set off the mid-cycle LH surge that triggers ovulation. Learn how the two hormones differ and how to read them together.
Apr 23, 2026

Progesterone vs Estradiol: Key Differences Explained

Estradiol leads the first half of the menstrual cycle and progesterone leads the second. Learn how the two hormones differ, why the draw day matters, and how to read them together.
Apr 23, 2026

Free Testosterone vs Estradiol: Key Differences Explained

In men, estradiol is made largely from testosterone, so the two are read as a pair. Learn how free testosterone and estradiol differ and what each adds in men and women.
Apr 23, 2026

How to Improve Your Fasting glucose Level Naturally

Discover natural ways to improve your fasting glucose levels using diet, supplements, and holistic health strategies.
Apr 23, 2026

Low Alkaline Phosphatase (ALP): What It Means and What Causes It

Low alkaline phosphatase (ALP, alk phos) can point to a nutritional shortfall, low thyroid function, a medication, or a recent acute illness. A persistently low result with bone or dental symptoms can also point to the rare genetic condition hypophosphatasia.
Apr 23, 2026

High Red Blood Cell Count (High RBC): What It Means, Causes & Next Steps

A high red blood cell count (high RBC) means your CBC found more red cells than the lab range. It is often relative, from dehydration, rather than a true increase. This page explains what a high RBC means, how to read it with hemoglobin and hematocrit, its causes and symptoms, and when a retest or a clinician workup is the next step.
Apr 23, 2026

High Lipoprotein(a) Symptoms: Causes, Signs & What to Do

Lipoprotein(a) [Lp(a)] is almost entirely genetically determined, cannot be lowered by diet or exercise, and doubles the risk of premature heart attack and stroke -- yet most people are never tested. This page covers what high Lp(a) means, why it's dangerous, and what can actually be done about it.
Mar 31, 2026

MCV Blood Test Explained: What Your Red Blood Cell Size Reveals

MCV measures your average red blood cell size and can flag nutrient deficiencies, bone marrow issues, and chronic disease. Here's what to know.
Mar 18, 2026

Pre-Workout Supplements: What Works, When to Take It, and What to Skip

Compare the evidence, doses, timing, limitations, and safety considerations for caffeine, creatine, beta-alanine, citrulline, and other common pre-workout ingredients.
Mar 13, 2026

How to Improve Insulin Sensitivity: 8 Evidence-Based Methods

Learn how to improve insulin sensitivity with proven methods including exercise, nutrition, sleep, and supplementation. Science-backed protocols with testing guidance and expected timelines.
Mar 13, 2026

How to Lower HbA1c Naturally: 8 Evidence-Based Methods

Lower your HbA1c with proven methods including dietary changes, exercise, sleep optimization, and targeted supplementation. Includes testing protocols, optimal ranges, and expected timelines.
Mar 13, 2026

How to Lower LDL Cholesterol Naturally: 8 Evidence-Based Methods

Lower your LDL cholesterol with proven methods including dietary changes, exercise, and targeted supplements. Includes advanced lipid testing guidance, ApoB context, and expected timelines.
Jan 28, 2026

Vitamin D2 vs D3 vs D3 with K2: Which Form Should You Take?

D3 raises and holds blood vitamin D better than D2, and K2 is not required for D3 to work. What the trials show about D2, D3, and D3 with K2, and why your 25-hydroxyvitamin D result matters more than the label.
Dec 8, 2025

Magnesium Glycinate vs. Threonate: Which is Best for Sleep?

Two forms of magnesium, one goal: better sleep. Which one should you take?
Jul 5, 2025

High Testosterone Without TRT: Causes & What to Do

Testosterone spiking without steroids or TRT? Learn common reasons your levels may be elevated, which follow-up labs matter, and when to get medical guidance.
Jun 18, 2025

High Folate Levels: How Much Folic Acid Is Too Much?

We need folate for energy, mood, and more—but too much can backfire. Here’s how to get the right amount for your body.
May 29, 2025

Can You Do a Blood Test During Your Period? Why Timing Matters

Why timing blood tests for women matters more than you think.
May 26, 2025

Beetroot and Blood Pressure: What the Research Actually Shows

What nitrate-rich beetroot juice has and has not been shown to do for blood pressure and endurance
May 21, 2025

Blood Testing for Athletes: Why It Matters and What to Track

Learn how strength and endurance athletes can interpret nutrients, recovery, and hormones.
May 15, 2025

Can Anemia Cause Body Aches? Yes — Here's Why

Anemia causes more than fatigue. Learn how low iron triggers muscle pain, joint aches, and cramps — plus 5 ways to get relief fast.
May 6, 2025

Estradiol Levels by Age: How to Read Your Blood Test

What do your estradiol levels mean? Normal ranges for women by age, what high or low E2 indicates, and when to book a health coach consult.
Jul 1, 2024

Estimated Average Glucose (eAG)

Average blood glucose level over the past few months; relates to HbA1c.