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
94 reviews 🐾
Cat Food
Blue Buffalo Indoor Health Adult Dry Cat Food Review (2026): A Solid Mid-Tier Indoor Diet
4.1 / 5
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Dog Food
Blue Buffalo Life Protection Formula Adult Dog Food Review (2026): A Solid Grain-Inclusive Everyday Choice
4.2 / 5
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Dog Treats
Blue Buffalo Bits Soft-Moist Dog Training Treats Review (2026): A Vet Nutritionist Tests Them
4.3 / 5
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Dog Treats
Blue Buffalo Wilderness Trail Treats Dog Biscuits Review (2026): A Solid Grain-Free Crunch With Caveats
4.1 / 5
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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
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Food
Exotic Nutrition Glider Complete Sugar Glider Food Review (2026): A Solid Staple, Not a Whole Diet
4.1 / 5
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Food
Exotic Nutrition Glider Complete Sugar Glider Food Review (2026): A Solid Staple, Not a Whole Diet
4.1 / 5
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Food
Exotic Nutrition Hedgehog Complete Food Review (2026): A Solid Base, Not a Complete Diet
3.9 / 5
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Food
Exotic Nutrition Hedgehog Complete Food Review (2026): A Solid Base, Not a Complete Diet
3.9 / 5
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Food
Exotic Nutrition Rat and Mouse Food Review (2026): A Solid Lab-Block Base for Pet Rats
4.3 / 5
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Cat Food
Friskies Wet Cat Food Variety Pack Review (2026): An Honest Nutritionist Take
3.9 / 5