Skip to content

Where to Buy Pet Supplements Online

Pine Street Clinic is home to acupuncturists and integrative medicine experts. Our online store lists about 140 supplements for dogs, cats and horses, and Pine Street Clinic is an authorized retailer of every brand it sells.

Anyone can order. No veterinary account or prescription is needed.

Shop pet supplements or see our best-selling pet supplements.

Brands we carry

Brand Pet products listed Most products priced
Standard Process Veterinary Formulas About 40 $22 to $99
Rx Vitamins for Pets About 35 $24 to $68
PetDomain (formerly ThorneVet) About 25 $39 to $62
NOW About 10 $16 to $34
Nordic Naturals 6 $16 to $55
Ayush Herbs 6 $25 to $47

Prices are as of October 2026; each product page shows the current price.

Some of our best-selling pet supplements

Forms

Pet supplements come as powders, liquids, tablets, capsules, softgels and chewables. Powders and liquids are the most common forms in our pet range.

Finding the right product page

  • Most product titles name the animal the product is made for, such as canine, feline or equine.
  • On the pets and veterinary collection, filter by brand or form.
  • Each product page lists the full ingredients as printed on the label.
  • Follow the label or your veterinarian's directions.

What the manufacturers say about quality

These are the manufacturers' own statements, not Pine Street Clinic's.

  • Standard Process states on its veterinary formulas page that its formulas for dogs, cats and horses are made to the same manufacturing and quality standards as its human supplements, that all raw animal tissues come from USDA-inspected facilities, and that it grows ingredients such as alfalfa, barley grass, beets and kale on its certified-organic farm.
  • Rx Vitamins for Pets states on its website that its formulas are developed by veterinarians and that every product undergoes quality testing.
  • PetDomain lists its products on its website as third-party lab tested and certified by the National Animal Supplement Council (NASC).

Shipping and returns

  • Orders for in-stock items placed before 9:00 am Pacific Time typically ship the same business day, Monday through Friday.
  • Some items ship from our San Anselmo, California location; others ship directly from the manufacturer or an authorized distributor.
  • Most brands we carry ship within the United States only.
  • Unopened, unused and unexpired products can be returned within 60 days of the order date with a Return Authorization Number. Store credit is the default.
  • If a product page says the item is final sale, it cannot be returned.
  • Full details: shipping policy and refund policy.

Common questions

Where can I buy Standard Process Veterinary Formulas online?
Pine Street Clinic carries about 40 Standard Process Veterinary Formulas products for dogs, cats and horses. Shop pet supplements.

Does Pine Street Clinic carry PetDomain, formerly ThorneVet?
Yes. We carry about 25 PetDomain products.

Do I need a veterinary account to order?
No. Anyone can order.

Is Pine Street Clinic an authorized retailer?
Yes. Pine Street Clinic is an authorized retailer of every brand it sells.

Last updated October 25, 2026.