Aging Well

A critical-care vet walks through what price actually buys in a dog longevity supplement — and where the line between support and therapy sits.

A hospice vet weighs the real cost of a longevity chew against senior-dog vet bills, mobility gear, and quality-of-life stakes — with one honest runner-up call.

A plain-language guide to sirtuins and AMPK — the two cellular energy-and-repair systems behind most "longevity" claims for aging dogs, and what the evidence actually supports.

A practical timeline for when owners typically notice changes in energy, coat, and mobility after starting a canine longevity supplement — and why the honest answer is "it depends on what you're measuring."

A vet explains how NAD+ precursor and antioxidant longevity chews interact with common senior-dog medications, and when to separate dosing times.

A vet explains what canine biological age tests measure — DNA methylation clocks, blood biomarkers, and why the number differs from your dog's birthday count.

A hospice-trained vet explains the realistic window for judging a senior dog longevity chew — what to watch for at week 2, week 6, and week 12, and when to stop.

A vet weighs the real cost of brand-hopping longevity chews — half-full jars, wasted NR, and how to pick once and stick with it.

A critical-care vet walks through what multi-bottle pricing actually buys you with a senior-dog NAD+ supplement — and where one competitor genuinely wins on formula, not just discount math.

A board-certified veterinary neurologist walks through what actually predicts a dog's lifespan by breed and size, and what to track between now and your next exam.

Two dogs can share a birthday and still be aging at different speeds. Here is what population-level research says drives the gap, and what to track at home.

Vet-reviewed breakdown of average dog lifespan by size and breed, plus the diet, weight, and care factors with real evidence behind them.

A vet explains why NAD+ precursor dosing for a small senior dog isn't a single number, and how to read a label safely for a 10 lb dog.

A hands-on integrative vet walks through which medicinal mushrooms have real dog data behind them, which don't yet, and how to choose a supplement without gambling on an aging dog's immune system.

A veterinary neurologist walks through the fork every case of dog hind leg weakness eventually hits — joint disease or nerve disease — and what to check tonight before you call the vet.

A vet-reviewed guide to NAD+ precursor chews for a dog losing energy around age 8 — the biochemistry, the real canine evidence, and how to choose a chew without getting oversold.

A vet-reviewed guide to the signs of taurine deficiency in dogs, the at-risk breeds and diets, and when to ask for a taurine blood test.

A senior dog flinching at everyday noise is usually telling you about his fading hearing, his aging brain, or hidden pain. What to check first, and what to change at home.

A warm, vet-reviewed guide to supplements that may help support cognitive function in senior dogs — the ingredients, the real evidence, and how to choose wisely.