About
Dr. Michael Tokiwa, DVM
Veterinarian and public educator who explains dog health questions with a calm clinical frame and practical next steps for owners.
Areas of focus
- canine health education
- preventive and supportive care
- dog nutrition
- mobility and senior-dog care
Elsewhere
Guides by Dr. Michael Tokiwa
- Country-of-Origin Labels on Dog Supplements: What They Actually Tell You
- What Does "Postbiotic" Mean on a Dog Supplement Label?
- What ISO 17025 Accreditation Means for a Pet Supplement Lab
- How Long Does Saccharomyces Boulardii Take to Help a Dog's Diarrhea?
- How Long Does Pumpkin Take to Firm Up a Dog's Stool?
- Store-Bought Bone Broth and Sodium: How Much Is Actually Safe for Dogs?
- Why Does a Dog's Poop Suddenly Smell Worse Than Usual?
- Is It Cruel to Leave an Anxious Dog Alone During Work Hours?
- Is Colostrum Safe for Lactose-Intolerant Dogs? What the Chemistry Actually Says
- What CFU Counts on a Dog Probiotic Label Actually Tell You
- How to Use a Dog Supplement Dosage Chart: A Step-by-Step Guide
- What the NASC Seal Actually Certifies on a Dog Supplement Label
- Do Senior Dogs Need More Probiotics Than Young Dogs?
- How Much Prebiotic Fiber Should You Give a 12-Pound Dog?
- How to Support a Senior Dog Through the Transition Into Old Age
- Prebiotic and Postbiotic Combo for a Dog's Gut After Deworming
- Probiotics for a Dog With Appetite Loss After Being Sick
- Probiotics for a Dog With Stress Colitis Before Vet Visits
- Slippery Elm Bark for a Dog's Upset Stomach: What It Does and When It's Not Enough
- L-Carnitine for Senior Dog Muscle Support: What the Evidence Actually Shows
- Can a Dog Take Too Much Resveratrol? What the Dose Actually Determines
- Does Calorie Restriction Help Dogs Live Longer? What the Research Actually Shows
- How Much Resveratrol Is Safe for a 25-lb Senior Dog?
- Signs of Accelerated Aging in Dogs: What's Normal and What Isn't
- Is It Safe to Give a Senior Dog Several Supplements at the Same Time?
- How to Introduce a New Supplement to Your Dog's Diet Safely
- Human-Grade Probiotic Blend Dosage for Dogs: What Actually Determines the Right Amount
- Prebiotic Fiber for a Dog With Loose Stool While Traveling
- How to Create a Senior-Friendly Home for an Aging Dog
- Why a Senior Dog Drinks More Water Than Usual
- How to Tell if Your Dog Is Aging Well
- Why an Old Dog Is Suddenly Afraid of Things She Wasn't Before
- Can Dogs Take Quercetin With an Antihistamine?
- Resveratrol Supplement Side Effects in Dogs: What to Watch For and When to Call Your Vet
- What Is Cellular Senescence in Aging Dogs?
- How Long Does Milk Thistle Take to Support Dog Liver Health?
- How Many Weeks Before Nicotinamide Riboside Shows Results in a Dog?
- L-Carnitine Dosage for Senior Dogs: What the Research Actually Supports
- What Is SAM-e and Why Do Vets Prescribe It for Dogs
- What Is CoQ10 and How Does It Support Aging Dog Heart Health
- Why a Senior Dog Loses Interest in Food He Used to Love
- Why an Old Dog Seems Quieter and Less Vocal Than Before
- Can You Split a Longevity Chew in Half for a Small Dog?
- Why a Dog Seems Disoriented Right After Waking Up
- Why a Dog Seems So Much Slower on Daily Walks Now
- Why an Old Dog Sleeps Through Mealtimes Now
- Can I Mix a Longevity Supplement Powder Into Wet Dog Food?
- How Much Quercetin Should I Give a 25-lb Dog?
- How Much Resveratrol Should You Give a Small, 15-lb Dog?
- Should You Start Longevity Supplements Before Your Dog Shows Signs of Aging?
- At What Age Should a Dog Start a Longevity Supplement?
- Lion's Mane Mushroom for a Senior Dog's Cognitive Sharpness
- Resveratrol for a Senior Dog's Antioxidant Support After Surgery Recovery
- Resveratrol for a Senior Dog Who Seems Less Playful Than Before
- Anti-Aging Pills for Dogs: What the Evidence Actually Supports
- Doggy Dementia Supplements: What Actually Helps, and When a Supplement Isn't the Answer
- Nicotinamide Riboside Dosage for Dogs: What Owners Should Actually Check
- Nicotinamide Riboside for a Giant-Breed Dog Aging Faster Than Small Breeds
- Spermidine for Dogs: What the Autophagy Research Actually Supports
- What Actually Strengthens a Senior Dog? A Vet's Guide to Supplement Choices
- What Age Is a Large Breed Dog Considered a Senior?
- Cetyl Myristoleate vs Glucosamine for Dog Joint Mobility: What Actually Helps
- Chondroitin vs MSM for Dog Joint Stiffness: What to Prioritize
- Passionflower vs Valerian Root for Dog Anxiety: Which One Fits Your Dog
- Psyllium Fiber vs. Pumpkin for Dog Constipation: What Actually Works
- Resveratrol vs Quercetin for Senior Dogs: What Each One Actually Does
- Turmeric vs Glucosamine for Dog Joint Pain: Which One Actually Helps?
- Boops Pets vs La Petite Labs for Dogs: Which Longevity Chew Fits Your Senior?
- Boops Pets vs Leap Years for Dogs: Which Longevity Chew Should You Choose?
- Boops Pets vs LongTails for Dogs: Which NAD+ Chew Deserves the Shelf Space?
- Boops Pets vs VetriScience for Dogs: Which Calming Chew Actually Fits Your Dog's Trigger?
- Boops Pets vs Zesty Paws for Dogs: Which NAD+ Supplement Actually Fits Your Senior?
- CFU Count at Manufacture vs. at Expiration for Dog Probiotics
- Dog Studies vs. Human Studies for Supplements: What Actually Transfers
- Guaranteed CFU Count Versus Actual Live CFU in Dog Probiotics
- How Dog Supplements Are Classified Differently From Dog Food
- How to Compare Cost Per Active Ingredient Dose Across Dog Supplement Brands
- Is a Dog Supplement Chew the Same Thing as a Treat?
- Is a Dog Supplement Subscription Actually Cheaper Than Buying One-Off?
- "Veterinarian Approved" vs. "Veterinarian Formulated" on a Dog Supplement Label: What the Words Actually Guarantee
- Whole-Food Dog Supplements Versus Synthetic Vitamins Explained
- When a Client Says "I Read Online That..." Here's What I Actually Hear
- Why Your Medicine Cabinet Is Not a Pharmacy for Your Dog
- Why Your Dog Needs One Primary Vet, Even If You Also Seek Second Opinions
- Why Some Dogs Actually Seem Happy to See the Vet
- The Brush-Then-Comb Trick That's Kept My Patient Hairball-Free for Three and a Half Years
- What Vet School Does Not Teach You About the Emotional Swings of Veterinary Life