If you live near Altamonte Springs, Casselberry, Maitland, or Longwood, you’ve probably noticed how fast people are turning to injectables, IV therapy, body sculpting, and regenerative treatments instead of surgery.
At Longevity Youth LLC, we focus on natural results, whole-body wellness, and treatments that help you look better and feel better, not frozen or overdone.
We’re located at
789 Douglas Ave, Suite 137, Altamonte Springs, FL 32714, just minutes from Altamonte Mall, Uptown Altamonte, and I-4.
People usually come to us asking:
Here’s what we actually do — and how it helps.

Feeling tired, foggy, or just off?
A B-12 injection helps support energy, metabolism, and nerve function. Many Altamonte Springs clients add this when they feel run down, stressed, or low on energy.
B-12 injections may help support:
Fast. Simple. No downtime.
Some clients prefer Dysport treatment because it can feel a little lighter and spread more smoothly in certain areas.
Dysport treatment can help with:
If you’ve had Botox before and want something different, Dysport is a great option.
We offer a wide range of services to meet your personal needs
At Longevous Youth Clinic, our Functional Medicine approach is designed to uncover the root causes of illness and optimize long-term health. Rather than just treating symptoms, we use advanced diagnostics, personalized lab analysis, and integrative protocols to rebalance the body’s systems and restore function at the cellular level.
Our Regenerative Medicine therapies are focused on activating your body’s innate healing systems using cutting-edge, natural interventions. This branch of medicine is ideal for those looking to repair tissue, reduce inflammation, and restore optimal function—without invasive surgery.
At Longevous Youth Clinic, we offer customized peptide therapy protocols designed to support hormone regulation, tissue repair, immune health, weight loss, and cognitive enhancement. Peptides are short chains of amino acids that signal specific cellular responses, and when used strategically, they can unlock the body’s natural healing potential.
We offer a holistic, medically guided weight loss program that targets the root causes of weight gain-not just the symptoms.
Our IV Nutritional Therapy treatments deliver essential vitamins, minerals, antioxidants, and amino acids directly into your bloodstream for optimal absorption and fast results. Perfect for those needing a wellness boost, immune support, skin clarity, or metabolic recovery.
Bioidentical hormone therapy (BHT) is designed to restore hormonal balance in the body, using hormones that are identical in molecular structure to those the body naturally produces. As we age, hormonal levels fluctuate, which can lead to a variety of symptoms like fatigue, mood swings, and weight gain. Bioidentical hormones help to address these issues by providing a natural, individualized approach to hormone replacement, ensuring the most effective and personalized care.
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For your convenience, you can book your appointment by choosing a one-on-one or telemedicine appointment for follow up. Your initial appointment need to be face to face for best result.
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can be scheduled as one-on-one or by Telemedicine for your convenience to discuss lab/data results and tailor the best plan for your satisfaction
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will be variable based on your wellness and aesthetic needs.
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One to two weeks after the procedure, we will evaluate the result to be sure that your goals are met.
EXCELLENT Based on 13 reviews Akram farahani2025-03-13Trustindex verifies that the original source of the review is Google. Dr Mandy Dixon is one of the best doctors I’ve ever met,she’s professional and has been very helpful and supportive,she’s always caring about patients and her office is always clean and welcoming to everyone,she answers any questions that I ask about my treatment,I surely recommend her for any type of medical treatment,thanks Dr Mandy and will see you soon Monir Bajgah2025-02-25Trustindex verifies that the original source of the review is Google. Dr. Mandy is very caring and professional. I know her for so many years. She is always has the best recommendations with the highest quality of service for her patients. Masoud Tartibi2025-02-23Trustindex verifies that the original source of the review is Google. She is a professional and very caring doctor. She goes above and beyond her li you get the best treatment and are comfortable with excellent results. mitra moghaddam2025-02-23Trustindex verifies that the original source of the review is Google. I know Dr Mandy Dixon for many years ,"I highly recommend Longevous Youth Clinic to anyone looking for high-quality wellness treatments. Sofia Bajgah2025-02-22Trustindex verifies that the original source of the review is Google. She's wonderful& responsible, I'm , her patient since couples of years ago til now. Yaritza Mercado2025-02-22Trustindex verifies that the original source of the review is Google. Mandy is very energetic and kind. She is knowledgeable and caring. Her services are provided with unique professionalism and purpose. I highly recommend Mandy for any aesthetics procedure. Marie Anders2025-02-21Trustindex verifies that the original source of the review is Google. Great service she very professional outlining every details feel so rejuvenate and energetic Atoosa Vaziri2025-02-21Trustindex verifies that the original source of the review is Google. Dr Nixon is a professional with knowledge and experience and great people skills zoe karimi2025-02-21Trustindex verifies that the original source of the review is Google. My experience at Longevous Youth Clinic was amazing. I went in for an appointment with Dr Mandy Dixon for chemical skin rejuvenation as well as IV nutritional therapy at another time and I have done both of these in the past at other clinics but nothing has compared to this. From her wonderful friendly personality to her years of experience in the field, made me feel that I am under good hands and the results were the best. To add on, I would say the clinic was super nice and great administrative group. I definitely recommend Longevous Youth Clinic to whoever wants an amazing result for the procedures that they choose. Nahid Ahmadi2025-02-21Trustindex verifies that the original source of the review is Google. I finally found a doctor that I am comfortable with and can talk to about my health. I feel she is truly interested in my well being, Dr Mandy thank you for everything I really appreciate you.
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