https://www.livekeen.co/ https://www.livekeen.co/images/how-it-works/keen-how-it-works-at-home-lab-appointment-confirmed.webp Test your baseline Appointment confirmed notification over a man's arm at home — baseline lab testing scheduled with Keen https://www.livekeen.co/images/how-it-works/keen-how-it-works-app-testosterone-lab-results.webp Results explained Keen app dashboard showing a total testosterone trend with free testosterone and estradiol in range https://www.livekeen.co/images/how-it-works/keen-how-it-works-physician-protocol-testosterone-spray.webp Build your protocol Physician-set Keen protocol card — 10, 15, or 20 mg dose, two sprays each morning, re-check every quarter https://www.livekeen.co/images/how-it-works/keen-how-it-works-testosterone-spray-rx-delivery.webp Spray, delivered Keen delivery tracking — prescription shipped in a keen box, arriving in 2 days https://www.livekeen.co/images/value-cards/card-3-spray-forearm-2026-08-10.webp Two sprays in the morning, and you're on your way. A man sprays Keen Testosterone Spray Rx onto his inner forearm at a bathroom sink, seen over his shoulder. https://www.livekeen.co/images/value-cards/card-1-rising-line-2026-08-21.webp One program, tuned to your numbers. A man in a white tank top stands with his eyes closed and his chin lifted, against a pale blue wall crossed by a thin white line. https://www.livekeen.co/testosterone-spray-rx https://www.livekeen.co/images/product/keen-testosterone-spray-rx-bottle-20mg-perspray-upright-white-1600.webp Keen Testosterone Spray Rx Keen Testosterone Spray Rx is a compounded testosterone topical spray. Two metered sprays each morning, applied to the inner forearm or upper arm. https://www.livekeen.co/learn/men/testosterone/low-testosterone-symptoms/fatigue https://www.livekeen.co/images/value-cards/card-1-sofa-2026-07-31.webp Low Testosterone and Fatigue: Why You're Tired All the Time Persistent tiredness in men over 35 is often written off as stress or age. Here is the physiology linking low testosterone to fatigue, what the pattern looks like clinically, and which other causes… https://www.livekeen.co/learn/men/testosterone/starting-trt/first-blood-test https://www.livekeen.co/images/how-it-works/keen-how-it-works-at-home-lab-appointment-confirmed.webp Why One Low Testosterone Result Doesn't Mean You Have Low Testosterone The Endocrine Society guideline is explicit: a single low reading is not a diagnosis. It has to be a fasting morning draw, and it has to be repeated. Most men who get tested badly get tested once, in… https://www.livekeen.co/learn/men/testosterone/starting-trt/blood-test-results-guide https://www.livekeen.co/images/how-it-works/keen-how-it-works-app-testosterone-lab-results.webp Reading Your Testosterone Results: The Number Most Panels Never Report Total testosterone is one number on a page, and it is the least informative one for a large group of men. Understanding a result means knowing what fraction of it your tissue can actually use — and… https://www.livekeen.co/learn/men/testosterone/cardiovascular-safety/traverse-main-trial-nejm-2023 https://www.livekeen.co/images/highlights/02-protocol.webp TRAVERSE Main Trial: The Definitive Cardiovascular Safety Study The 5,246-man RCT behind the FDA's 2025 cardiovascular safety update on testosterone therapy. What it measured, what it found, and what it changes for men on TRT today. https://www.livekeen.co/learn/faq https://www.livekeen.co/images/faq/whats-included.webp What's included? One membership, and it buys access to the whole program rather than a list of things you pay for one at a time. No surprise fees. https://www.livekeen.co/images/faq/therapy-timeline.webp What's the timeline to get on to therapy? It depends on one thing: whether you already have recent testosterone labs. With labs, you're usually on therapy by day 7. Without, day 8 or 9 — the extra time is your lab kit travelling to you and… https://www.livekeen.co/images/faq/what-arrives.webp What actually turns up at my door? Keen Testosterone Spray Rx — a metered spray bottle holding a 30-day supply, prescribed to you at your strength. Two sprays each morning, on the skin. https://www.livekeen.co/images/faq/what-do-you-test.webp What do you test? The same panel every time, so you and your physician are reading a trend rather than a single number. https://www.livekeen.co/images/faq/data-protected.webp How is my data protected? Your health data is yours. We hold it because your physician needs it to dose you properly — not for any other reason, and not for anyone else. https://www.livekeen.co/images/faq/spray-technology.webp How does the spray technology work? Think of sugar in water. Stir it in and you can’t pick the grains back out — the sugar goes wherever the water goes. https://www.livekeen.co/images/faq/why-spray-vs-shot.webp Why a spray instead of a shot? Same testosterone — the difference is how you take it. A weekly shot is 6 needles a month, every month, 14 steps to inject, and about 9 minutes of inject + clean-up. Keen is 0 needles. Ever. 2 steps… https://www.livekeen.co/images/faq/how-to-use.webp How do I use a spray? Two sprays each morning, on clean, dry skin. Start to finish, about sixty seconds. https://www.livekeen.co/images/faq/build-protocol.webp How do you build my protocol? Your protocol is built from your labs, not a template. Here's how it gets there. https://www.livekeen.co/images/faq/care-team.webp Who's on my care team? Real, licensed U.S. clinicians who specialize in hormone therapy, not a chatbot. The same physician who reads your first labs is the one who sets your dose and adjusts it later, so nobody is picking… https://www.livekeen.co/images/faq/levels-change.webp What if my levels change? Your dose isn't set once and forgotten. As your bloodwork shifts, your physician adjusts it to keep you in range. https://www.livekeen.co/images/faq/messaging.webp What can I message about? Open the member portal, send a message, and it goes straight to your provider or to support. No appointment, no phone tag.