The Blog
RBL Care Blog
What's trending in weight loss, symptoms, and functional-medicine testing — fact-checked against peer-reviewed research and clinical sources before it's written up, not just repeated from social media.
GLP-1s Don't Make You Move More
A 753-person study presented at ENDO 2026 found daily steps and active minutes both fell after people started a GLP-1 — men and patients with joint pain lost the most. Here's what the wearable data showed and what to ask your provider for.
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Semaglutide Slows Aging?
A 2026 trial found semaglutide lowered several epigenetic aging clock readings by 1 to 5 years — but it was tested in HIV-associated lipohypertrophy patients over 32 weeks, not the general weight-loss population. Here's what the research actually shows.
Read the full article →At-Home Cortisol Tests Lack Confirmation
A single spit-tube cortisol test is a rough snapshot, not a diagnosis — some commonly used metrics have reliability scores as low as 0.00 out of 1.00 when collected just once. Here's what the research says about doing it right.
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Creatine as a Menopause Treatment?
Creatine paired with resistance training produces small but real gains in muscle and strength in postmenopausal women, and a first-of-its-kind 2025 trial found a modest cognitive benefit too. Here's what the research actually shows.
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12% Weight Loss, Zero Injections
Foundayo (orforglipron) is the first oral GLP-1 pill with no food or water restrictions, FDA-approved in April 2026. It works — just not quite as well as the highest-dose injectables. Here's what the ATTAIN trial data actually shows.
Read the full article →The NAD+ Hype Is Running Ahead of the Science
NAD+ IV drips and NMN/NR supplements are everywhere in wellness circles right now. They reliably raise NAD+ levels and appear safe short-term — but the broad anti-aging claims are still ahead of what human trials have actually proven. Here's what the research actually shows.
Read the full article →Why Is Everyone Suddenly Taking Berberine — and Is It Actually Doing Anything?
Berberine helps blood sugar about as well as a common diabetes drug. It does not help you lose weight anywhere near as much as Ozempic-type drugs do — they aren't interchangeable, no matter what the ads say. Here's what the research actually shows.
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