500 Terry Francine Street,
San Francisco, CA 94158
info@mysite.com
123-456-7890
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This is for people who want to become stronger, healthier, sharper, more energized, and more intentional with their life.
Go Time Health helps driven men and women take a deeper look at their energy, hormones, weight, recovery, and overall wellness through personalized medical care, lab-guided treatment, and ongoing support.
This is not cookie-cutter care.
This is not a one-size-fits-all clinic.
This is personalized health optimization built around your body, your goals, and your long-term performance.
Core Services
Testosterone Replacement Therapy
Personalized, medically guided TRT for eligible men who want to improve energy, strength, motivation, recovery, libido, confidence, and long-term health.
Peptide Therapy
A carefully selected group of peptide options may be considered for recovery, performance, body composition, energy, healthy aging, and overall optimization when medically appropriate.
Medical Weight Loss / GLP-1s
Stepwise, monitored weight loss support using medications such as semaglutide and tirzepatide when appropriate, combined with lifestyle guidance and ongoing support.
IV Hydration
In-office IV hydration options designed to support hydration, recovery, wellness, and performance when appropriate.
Meet Peter O’Brien, Nurse Practitioner
Peter O’Brien is the founder of GO TIME HEALTH and a California-based Nurse Practitioner with experience in ICU nursing, urgent care, primary care, hormone replacement therapy, peptide therapy, and health optimization.
Peter has been a Registered Nurse since 2009 and spent six years working in the ICU, caring for critically ill patients at some of the most serious stages of disease. He became a Nurse Practitioner in 2015 and went on to work in primary care for three years and urgent care for eight years.
Peter has been involved in hormone replacement therapy for over a decade, is BioTe certified, has attended multiple peptide conferences, and has spent years studying hormone optimization, peptides, fitness, nutrition, and lifestyle-based health improvement.
Client Testimonials
Peter is a true professional and a pioneer in peptide therapy and testosterone therapy, he is a book of knowledge! Ive been to a traditional clinic where you are just a another number and apart of a cookie cutter plan. Go time health is true personalized care, takes his time to know your goals and consults with you, he will also make sure you are getting what you need, not just to sell you on something that you don't need. The continued care is another level, he checks in with you and reminds you when you need to get bloodwork and when you need to donate blood but also makes sure the peptides are doing their job and shares insight on what's going on! GO TIME HEALTH is the best clinic, I highly recommend!
Logan Macias
I've had an outstanding experience with Peter. He is knowledgeable, professional, and genuinely invested in helping patients feel their best.
I originally came in to learn more about peptide therapy and testosterone replacement, and the results have exceeded my expectations. My energy levels are up, recovery is better, my focus has improved, and I simply feel healthier overall. Peter took the time to explain every option, answer my questions, and build a treatment plan that fit my goals.
I've also had the opportunity to use his IV therapy services, which have been a great addition to my wellness routine. The entire experience is efficient, comfortable, and personalized.
If you're considering peptides, testosterone optimization, or IV therapy, I highly recommend giving him a call.
Kirk Van Sickle
Working with Peter has been one of the best decisions I've made for my health. The testosterone treatment plan he created helped restore my energy, mood, and overall performance. I also used supportive peptides for recovery and strength training, and the combination made a noticeable difference in how quickly I bounced back after workouts. He listens, explains everything, and truly cares about helping you feel your best.
Kyle Collins
Contact Peter at Go Time Health
Want to learn more, Talk to Peter at
951-501-4325