Credentials
- DVM — UC Davis School of Veterinary Medicine
- Board-Certified Veterinary Nutritionist, American College of Veterinary Nutrition (ACVN)
- Member, American Veterinary Medical Association (AVMA)
Education
- DVM, UC Davis School of Veterinary Medicine
Expertise
dog foodcat foodpet treatssupplementsautomatic feedersfeeding systemsbird foodfish food
Reviews by Dr. Marcus
90 reviews
Cat Food
Blue Buffalo Indoor Health Adult Dry Cat Food Review (2026): A Solid Mid-Tier Indoor Diet
4.1 / 5
Dog Food
Blue Buffalo Life Protection Formula Adult Dog Food Review (2026): A Solid Grain-Inclusive Everyday Choice
4.2 / 5
Dog Treats
Blue Buffalo Bits Soft-Moist Dog Training Treats Review (2026): A Vet Nutritionist Tests Them
4.3 / 5
Dog Treats
Blue Buffalo Wilderness Trail Treats Dog Biscuits Review (2026): A Solid Grain-Free Crunch With Caveats
4.1 / 5
Bowls & Feeders
Catit Flower Cat Water Fountain Review (2026): Good Flow, Demanding Upkeep
4.1 / 5
Feeding & Watering Supplies
Choco Nose No-Drip Small Animal Water Bottle Review (2026): Leak-Free Hydration for Rabbits That Actually Works
4.2 / 5
Food
Exotic Nutrition Glider Complete Sugar Glider Food Review (2026): A Solid Staple, Not a Whole Diet
4.1 / 5
Food
Exotic Nutrition Hedgehog Complete Food Review (2026): A Solid Base, Not a Complete Diet
3.9 / 5
Food
Exotic Nutrition Rat and Mouse Food Review (2026): A Solid Lab-Block Base for Pet Rats
4.3 / 5
Cat Food
Friskies Wet Cat Food Variety Pack Review (2026): An Honest Nutritionist Take
3.9 / 5
Dog Treats
Greenies Original Dental Dog Treats Review (2026): A Daily Chew That Earns Its VOHC Seal
4.4 / 5
Cat Treats
Greenies Feline Dental Cat Treats Review (2026): A Crunchy Treat That Earns Its Dental Claim
4.3 / 5