Kara Wilfong
Doctorate Prepared Advanced Registered Nurse Practitioner
Fleming IslandA doctorally-prepared nurse practitioner who spent a decade as an emergency room nurse before moving into aesthetics and wellness.
Energy & Vitality · Fleming Island, FL
Low energy has causes, and the order you investigate them in decides whether you fix something or just feel briefly better. We start with labs and hormones. Drips and injections come in as support, once you know what you are supporting.
Written by the Well Labs+ editorial team · Last updated July 2026
Start With the Cause
Most people who arrive exhausted ask about an IV drip. We start with lab work and your history instead, because for most people over 40, the driver turns out to be hormones, which our wellness and body programs treat at the source.
This is the first stop, not the last. Our nurse practitioners assess energy complaints with lab work and a full history, because hormonal change is the most common explanation for energy that has shifted in your 40s and beyond and it is treatable at the source. Starting here means you find out whether there is an actual driver rather than managing a symptom indefinitely.
Fatigue rarely arrives alone. Sleep quality, thyroid function, stress, nutrition, weight change, and mood all interact with it, and several of them are things we can assess or refer on. This is also where we identify whether your fatigue points at something outside our scope, which happens and which we will tell you about.
IV infusions, vitamin injections, and peptide therapy are support rather than diagnosis. Used once you understand what is driving your fatigue, they are genuinely useful. Used as a substitute for finding out, they become an expensive way to feel briefly better without anything changing.
Where To Go Next
Read whichever matches where you think you are. Your provider will confirm or redirect at your consultation, which is genuinely the point of having one.
Wellness & Body · start here
For most people over 40 whose energy has changed, hormones are where the answer sits. Assessed with lab work and a full history rather than from symptoms alone.
Explore Hormone ReplacementWellness & Body · BHRT
Our bioidentical hormone program, including pellet therapy. Your provider will explain how it differs from other approaches and whether it suits your picture.
Explore Bioidentical HormonesWellness & Body · men
For men whose fatigue arrives alongside lost strength, poor sleep, or reduced drive. Supervised, lab-guided, and monitored over time rather than dosed once.
Explore Testosterone ReplacementWellness & Body · women
Fatigue, disrupted sleep, brain fog, and low mood through perimenopause and menopause are connected rather than separate complaints. We treat them that way.
Explore Menopause TreatmentWellness & Body · adjunct
Discussed as part of a broader wellness plan, with your provider explaining where it fits and where it does not. Not a substitute for identifying the underlying cause.
Explore Peptide TherapyWellness & Body · hydration & nutrients
Provider-administered infusions for hydration and nutrient support, with candidacy and safety screening first. Genuinely useful, and better used alongside a plan than instead of one.
Explore IV TherapyWellness & Body · quick support
B12, D3, amino acid blends, and immune support as quick intramuscular injections. The low-commitment option when you want support without an infusion appointment.
Explore IM Vitamin InjectionsWellness & Body · related
Weight and energy affect each other more than people expect, and hormone dysregulation sits behind both. Worth reading if your fatigue arrived alongside weight gain.
Explore Medical Weight Loss
In Expert Hands
Hormone care at Pura Vida is lab-guided and monitored over time rather than dosed once and forgotten. Your nurse practitioner reviews your bloodwork and your full medical history before recommending a program, and keeps reviewing it as your body responds.
That is also why we can be honest about the ceiling. If your fatigue points at something outside our scope, we will tell you and help you get to the right care instead of layering infusion support around a problem we cannot solve.
Fleming Island · Northeast Florida
Clay County has no shortage of places selling a drip. What's harder to find locally is a practice where hormone assessment, peptide therapy, and infusion support all sit with the same providers, because that's what makes it possible to investigate in a sensible order, instead of just offering whatever service you ask for. Our patients come from Fleming Island, Orange Park, Middleburg, and Green Cove Springs for exactly that.
Florida living also means real heat for much of the year, which affects hydration and how quickly fatigue compounds. Your provider will factor that into what support makes sense for you and when.
The practice Fleming Island trusts for medical wellness: voted the area’s best medspa six years running, cared for from our Medical Spa on Island Lane.
Serving
Is This For You?
If your fatigue points at a cause outside what we treat, we will say so and help you get to the right care.
That is a better answer than an ongoing series of support treatments.
Ready to Start?
Request an appointment and we’ll start with your labs and your history rather than with a treatment menu.
What Our Patients Are Saying
"I visited Pura Vida for hormone health support. Kara is so caring and informational to help you understand how your body works and what you are feeling… a holistic approach of treating from the inside out, down to the cellular and nutrient level, which I appreciate."
"I had my first appointment with Kara today and I have all the faith in the world that she will sort out my perimenopause issues. Look forward to the road ahead."
"We see Kara for BHRT and our overall better health. She is kind, knowledgeable, and relatable. The care we have received is life changing. She is a true professional."
Prefer to Talk First?
Talk it through with our Fleming Island team before booking anything.
Our Process
Your provider asks what changed and when: your energy, your sleep, your strength, your mood, your weight. Fatigue is a symptom, and the pattern around it is what points toward the cause.
We assess with lab work and your full medical history rather than from symptoms alone. That is what separates treating a cause from managing a complaint, and it is the step that most quick-fix wellness offerings skip.
If your labs and history point at hormones, that is where we start, because it addresses the driver rather than the symptom. Your provider explains which program suits you and what monitoring looks like over time.
IV infusions, vitamin injections, and peptide therapy come into the plan where they help. Your provider is clear about what each one does and does not do, so you are not spending on something with the wrong job.
Some fatigue has a cause that belongs with a physician or a specialist. We will say so rather than sell you support treatments around a problem we cannot fix.
Proven Excellence
Two Fleming Island locations serving the same families for years, with hormone care, peptides, and infusion support under one roof.
Meet Your Care Team
Lab-guided hormone and wellness care, monitored over time by the same providers who started you on it.
Doctorate Prepared Advanced Registered Nurse Practitioner
Fleming IslandA doctorally-prepared nurse practitioner who spent a decade as an emergency room nurse before moving into aesthetics and wellness.
MSN, APRN, FNP-C
Fleming IslandA certified Family Nurse Practitioner specializing in advanced aesthetic medicine, with six years in trauma and progressive care before aesthetics.
Physician Assistant-Certified
Fleming IslandA board-certified physician assistant specializing in aesthetic medicine, with a Master of Physician Assistant Studies from Augusta University.
Frequently Asked Questions
With lab work and a hormone assessment, not with a drip. Fatigue is a symptom rather than a diagnosis, and for most people over 40 whose energy has genuinely changed, hormonal shift is the most common explanation and it is treatable at the source. Our nurse practitioners assess with lab work and your full medical history, then work out whether hormones, sleep, thyroid function, nutrition, or something else is driving it. IV infusions and vitamin injections are useful support once you know the cause. They are a poor substitute for finding it.
An IV infusion delivers hydration and nutrients, and for the right patient at the right time it genuinely helps. What it does not do is tell you why you were tired in the first place. If your fatigue has an underlying driver such as a hormone imbalance, a drip will feel good and change nothing structural. That is why we treat IV therapy as support within a plan rather than as the plan, and why every patient gets candidacy and safety screening before a first infusion.
Hormones regulate a great deal of what you experience as energy: sleep quality, how you build and hold muscle, mood, focus, and metabolic rate. When they shift, and they do shift with age, the result often reads as a collection of separate complaints rather than one problem. Fatigue, poor sleep, brain fog, low mood, lost strength, and weight gain frequently share a single driver. Our hormone replacement, bioidentical hormone, testosterone, and menopause programs are where that gets assessed and treated. Pricing and exact recommended treatments are determined during an individual consultation with one of our providers.
It depends, and we will not pretend to know until we have assessed you. Peptides are short chains of amino acids that act as signalling molecules in the body, and peptide therapy is discussed as part of a broader wellness plan rather than as a standalone answer. Whether it belongs in your plan comes down to your goals, your labs, and your history, and your provider will be direct with you about where it fits and where it does not. It is not a substitute for identifying what is driving your symptoms, which is why we would rather talk about it after your assessment than before.
For hormone care, yes. Our nurse practitioners review lab work and your complete medical history before recommending a hormone program, because dosing something you have not measured is not medicine. For IV infusions and vitamin injections, you get candidacy and safety screening rather than a full lab workup, which is appropriate to what those treatments are. The general principle holds either way: the more a treatment changes your physiology, the more we want to know before we start it.
Pura Vida offers hormone therapy, peptide therapy, IV infusions, and vitamin injections from our Fleming Island locations, and we see patients from across Clay County, Orange Park, Middleburg, Green Cove Springs, and Jacksonville. Having all of these under one roof is what lets us investigate in a sensible order rather than defaulting to whichever service you happened to walk in asking about. We have been voted the area’s best medspa six years running.
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Ready When You Are
Request an appointment and we’ll assess your labs and your history, treat what is actually driving your fatigue, and add support where it genuinely helps.
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