Collagen for women over 50: what trials show
Collagen for women over 50: what reviews show for skin and bone density, why funding matters, the one dose studied for bone, side effects and who to ask.
Beginner’s guides
Plain-English explainers for people new to longevity supplements.
Creatine for women over 50: what trials show
Creatine for women over 50: what trials and reviews show for muscle, strength and bones, study doses, side effects and who should check first.
How to choose an NMN supplement: what to look for
Looking for the best NMN supplement? Check label dose against trial doses, third-party testing, form and price. We name no products and sell none.
Is NMN FDA Approved?
Is NMN FDA approved? No. The FDA doesn't approve supplements before sale. Here's what its 2025 letter on NMN actually said.
Is NMN legal in the US?
Is NMN legal in the US? A short, plain answer on what the FDA said about NMN in 2025, what that does and does not mean, and where to read more.
Magnesium for women over 50: forms, doses and evidence
Magnesium for women over 50: common forms, doses studied, what trials show for blood pressure, sleep and bone markers, safety and who should check first.
NAD+ injections: what they are and what the evidence says
NAD+ injections explained: what they are, what small studies show, reported side effects, how they differ from NMN and NR supplements, and key questions.
NMN Dosage: What Doses Have Human Trials Used?
NMN dosage in human trials: the amounts studied (250 to 2,000 mg a day), for how long, and what was measured. Information, not dosing advice.
NMN Side Effects: What Human Trials and Reviews Show
NMN side effects: what a 2026 review of 15 trials found, how long the trials ran, what is not known, and when to ask a clinician. Information only.
NR side effects: what trials show about nicotinamide riboside
NR side effects and safety: what human trials of nicotinamide riboside report, how long they ran, what is unknown, and when to ask a clinician.
When to Take NMN: What Trials Say About Timing
When to take NMN: what human trials say about morning vs afternoon dosing and why no timing has been shown to be best. Information, not advice.
Longevity supplements for beginners: where to start
New to longevity supplements? See what has human evidence, what is early-stage, and a simple low-cost way to start. Plain English, no hype.
NMN vs NR: what's the difference?
NMN vs NR compared: how each raises NAD+, what human trials show, doses studied and safety. Plain English, no hype.
What is NAD+ and why does it matter?
What is NAD+? A plain-English guide to the molecule every cell uses, whether it falls with age, and what human trials of NMN and NR show so far.