Longevity

A hospice and palliative-care vet weighs the evidence on intermittent fasting for older dogs, and explains why comfort and stability usually beat a trend.

A vet-bylined look at what LOY-001 actually is, what the FDA milestone does and doesn't mean, and how to think about it next to supplements while you wait.

A practical, structure/function guide to assessing a senior dog's quality of life at home, with the criteria vets actually watch and when to loop in your own vet.

A TCVM-trained vet explains why your whey tub isn't a substitute for a dog-formulated longevity chew, and what actually helps an aging dog hold onto muscle.

A comparison of medium-chain triglyceride oil and fish oil for supporting cognitive health in senior dogs, with an honest look at where each one actually helps.

An NAD+ precursor like nicotinamide riboside behaves differently in a dog's body than synthesized NAD+. Here's how to read the label before you buy.

A vet-reviewed comparison of NR, NMN, and NAD+ for senior dogs — how the pathway actually works, what the dog-specific evidence shows, and which option I'd point a cost-conscious owner toward.

A dual-boarded criticalist-cardiologist compares SAMe and NAD+ precursors for canine cognitive support, with a trial-anchored verdict and a genuine runner-up.

A TCVM and rehab vet compares chew and powder longevity supplements for dogs — how NAD+ precursors like NR really absorb, and which format wins on the evidence.

A vet compares Denamarin's SAMe and silybin against NAD+ longevity chews so owners know which one addresses liver bloodwork and which one supports general aging.

Vienna Slava, DVM, CVA, compares Forever Dog Lab's NAD+ liquid to La Petite Labs' Hollywood Elixir sachet — and explains where Boops Pets' NR chew fits the same decision.

A veterinarian explains why grabbing your own B12 bottle for an aging dog isn't the same decision as choosing a senior wellness chew, and where the real risks and real value actually sit.

A vet compares LongTails and Leap Years NAD+ chews for senior dogs on evidence, dosing, and daily use — and explains where Boops Pets' Longevity & Healthy Aging chew earns a genuine runner-up spot.

A vet compares the jellyfish-derived apoaequorin approach with NAD+ precursor supplements like nicotinamide riboside for senior dogs showing cognitive changes.

A sports-medicine vet compares the real evidence behind astaxanthin and resveratrol for aging dogs, and explains why one belongs in a daily longevity routine.

A TCVM-trained vet compares whole-food blueberries with a targeted NAD+/antioxidant chew for graying senior dogs, and explains why she pairs both instead of choosing one.

A cardiologist's side-by-side look at Boops Pets and Front of the Pack for senior dog wellness — where each brand actually wins, and where they don't.

A vet's straight comparison of Boops Pets Longevity & Healthy Aging chews and Helping Pets Live Longer's clinician-built line — what each is actually built to do, and where the evidence stands.

A sports-medicine vet compares curcumin and quercetin for senior dog joints and cellular aging, and explains why she reaches for a quercetin-based longevity formula first.

A dog rehab clinician breaks down why a human niacin bottle isn't a shortcut to an NAD+ chew, and what to give an aging dog instead.

A vet explains why a human quercetin capsule from your own bottle isn't a substitute for a dosed, tested dog longevity chew — and what actually changes at the cellular level.

An oncologist compares Boops Pets' Longevity & Healthy Aging chew against Animal Biosciences' Leap Years on dosing transparency, evidence, and what a senior dog can actually tolerate.

A clinical pathologist compares Boops Pets Longevity & Healthy Aging chews against PawPrint Lab's Pawprint Protocol drops on dose, format, and what the evidence actually supports.

A vet compares Boops Pets' NAD+-precursor Longevity chew against Springtime's long-running joint-and-vitality powder, and explains why the two aren't really solving the same problem.

A veterinary neurologist compares fisetin and quercetin for canine cellular aging, weighs the dosed research against the untested extract, and explains where Boops Pets' quercetin chew fits.

A hospice-and-palliative-care vet compares La Petite Labs and Leap Years for senior dog longevity support, and explains where Boops Pets fits as a strong runner-up.

A TCVM-trained vet compares spermidine and resveratrol for dog longevity, weighs the evidence, and explains why he leans toward a combination approach.

A vet-reviewed guide to what sudden or gradual hind-limb weakness in dogs actually means, how to tell a spinal emergency from arthritis, and what a vet visit should rule out first.

Hind leg weakness in dogs can come from joints, muscle, or nerve. A veterinary neurologist explains how to tell the mechanisms apart and when to act.

A vet-reviewed, brand-neutral look at which dog muscle supplement ingredients have real research behind them, which are mostly marketing, and how protein and movement fit into the picture.

A senior dog who suddenly reacts to noises he once slept through usually has a physical cause, not a personality change. Here's what to check, in order.