Reclaim Your Energy Restore Your Vitality

Your online platform for personalized therapies that enhance life quality delivered to your home.

Boost energy

Rediscover your natural drive with cellular energy that lasts. NAD+ helps your body produce the fuel it needs — so you don’t crash mid-day or skip the things you love.

Boost natural ATP production
Wake up ready, not groggy
Ditch the 3pm slump
Get My Personalized Plan

Restore youth

NAD+ supports healthy aging from the inside out — helping your cells repair, your skin glow, and your confidence grow.

Stay focused & present
Support memory and processing speed
Feel clear, alert, and in control
Get My Personalized Plan

Sharpen focus

No more brain fog or sluggish thoughts. NAD+ helps support memory, mood, and cognitive sharpness so your mind stays as sharp as your goals.

Stay focused & present
Support memory and processing speed
Feel clear, alert, and in control
Get My Personalized Plan

Testimonials

Join our customers in feeling their best

Lifinity felt like the Apple of longevity. Everything from the online intake to the delivery was seamless. I liked how clear the instructions were and that I could actually talk to a real person. I’ve already recommended it to two colleagues.
Brandon T., 41
New York
Clean, modern, and honestly kind of badass. I loved that I could start with capsules and upgrade later. It didn’t feel pushy, just empowering. I’ve never stuck with a health routine longer than 2 weeks, and now I actually look forward to it.
David R., 36
Miami
My skin feels brighter. My eyes don’t look as tired. I don’t know how to explain it scientifically, but my face looks more alive — and I feel that way inside too.
Michael S., 47
Denver
I was nervous about trying anything involving injections, but Lifinity made me feel safe and supported the whole way. Their care team was responsive, kind, and genuinely wanted to help me feel better. It didn’t feel transactional — it felt personal.
Jessica M., 48
Oregon
I used to crash hard around 2pm and reach for a second coffee. Since starting Lifinity, my energy feels more stable — like my battery lasts longer. It’s subtle but powerful.
Amanda L., 39
Chicago
It’s like my brain went from dial-up to fiber optic. I feel sharper at work, more articulate, and even my mood’s more stable. Lifinity gave me back my edge.
Nina K., 42
Seattle

Our network

Access Our Doctor Network From Any Location, At Any Time.

Our accredited doctors are always available to help you find the treatment you need. With licensed professionals in all 50 states, you can trust that you’re receiving top-tier healthcare tailored to your needs—no matter where you are in the country.

How it works

3 simple steps

1
Take the Quiz
Answer a few quick questions to see if treatment is right for you.
2
Get Evaluated
A licensed medical provider will review your answers and approve your personalized plan.
3
Receive Your Treatment
We’ll deliver everything you need, discreetly and free of charge — right to your door.

Explore our latest blogs

Dive into our most recent articles for insights and tips on health, wellness, and lifestyle. Stay updated with the latest trends and expert advice to enhance your well-being.

Support

Frequently Asked Questions

Find answers to common questions about appointments, services, and patient information.
What is NAD+ therapy?
NAD+ therapy involves the administration of nicotinamide adenine dinucleotide, a coenzyme essential for energy production. This therapy aims to boost cellular function, enhance energy levels, and improve overall well-being. Many individuals report increased vitality and mental clarity after treatment.
Who can benefit?
Adults aged 35 to 55, experiencing fatigue, cognitive decline, or a general lack of vitality, may find significant benefits from NAD+ therapy. It is particularly useful for those looking to enhance their energy levels and mental focus. Always consult a healthcare professional to determine if it's right for you.
How is it administered?
NAD+ therapy can be administered through intravenous (IV) infusions or intramuscular injections. The method chosen often depends on individual preferences and medical advice. Each session is designed to maximize absorption and effectiveness.
Is it safe?
NAD+ therapy is generally considered safe when administered by qualified professionals. Side effects are rare but can include mild discomfort at the injection site or temporary fatigue. Always discuss potential risks with your healthcare provider before starting treatment.