WHAT IS VIRBAC OSTOPET?
Virbac Ostopet is a veterinary-grade liquid calcium supplement for dogs and cats manufactured by Virbac Animal Health India Pvt. Ltd. It is formulated as a liquid syrup containing Calcium, Phosphorus, Vitamin D3, and Vitamin B — the four essential nutrients that work together to build and maintain strong bones, healthy joints, and proper muscle function throughout all life stages.
COMPOSITION
| Nutrient |
Role |
| Calcium |
Primary mineral for bone and teeth formation, nerve transmission, and muscle contraction |
| Phosphorus |
Works with calcium to build bone density; critical for energy metabolism |
| Vitamin D3 |
Regulates calcium and phosphorus absorption — without D3, calcium supplements have reduced effectiveness |
| Vitamin B Complex |
Supports nerve function, energy production, and overall metabolic health |
WHY DOGS AND CATS NEED CALCIUM SUPPLEMENTATION
Home-Cooked Diets
Rice, roti, dal, and cooked meat — the most common foods fed to Indian dogs — are severely calcium deficient. Dogs fed exclusively home-cooked food without calcium supplementation develop weakened bones, poor dental health, and muscle tremors over time.
Pregnancy and Lactation
Pregnant and nursing dogs have dramatically elevated calcium requirements. Calcium deficiency during lactation causes eclampsia (milk fever) — a life-threatening condition causing seizures and muscle spasms. Ostopet is routinely prescribed during pregnancy and nursing.
Growing Puppies
The first 12 months of a puppy's life are the critical bone-building window. Inadequate calcium during this period causes growth deformities and nutritional secondary hyperparathyroidism.
Senior Dogs
Dogs over 7 years experience progressive bone density loss. Calcium and Vitamin D3 supplementation slows this decline and reduces the risk of fractures and joint problems in aging pets.
DOSAGE GUIDE
| Animal |
Suggested Dose |
| Puppies and Kittens |
5ml daily |
| Small dogs and cats (up to 10kg) |
5–10ml daily |
| Medium dogs (10–25kg) |
10–15ml daily |
| Large dogs (25kg+) |
20ml daily |
Mix with food or administer directly. Consult your veterinarian for dosing based on your pet's specific weight and condition.
PRODUCT DETAILS
Brand: Ostopet
Manufacturer: Virbac Animal Health India Pvt. Ltd., Mumbai
Active Nutrients: Calcium, Phosphorus, Vitamin D3, Vitamin B
Form: Liquid Syrup with oral syringe
Pack Size: 250ml
Sold By: Pets Lifestyle — India's trusted online pet pharmacy
FREQUENTLY ASKED QUESTIONS — VIRBAC OSTOPET CALCIUM SYRUP
Does my dog really need a calcium supplement if I'm already feeding him good food? ▼
It depends on the diet. If your dog eats a complete commercial dry food as the primary diet, additional calcium is usually not needed and can actually cause harm. However, if your dog eats home-cooked food — rice, roti, boiled chicken or fish — calcium supplementation is almost always necessary. Home-cooked diets are severely calcium deficient and Ostopet is specifically designed to bridge this gap.
My dog's legs look weak and she walks oddly. Can Ostopet help? ▼
Weakness, abnormal gait, and bowed legs in growing puppies are classic signs of calcium deficiency. Ostopet can help correct this when given consistently alongside a vet-recommended diet. Please visit your vet for a proper diagnosis before starting supplementation — the vet may also want to check Vitamin D levels.
My dog is pregnant. When should I start Ostopet? ▼
Most vets recommend starting calcium supplementation from the second half of pregnancy and continuing throughout the nursing period. This helps prevent eclampsia (milk fever) — a dangerous drop in blood calcium that can occur in nursing dogs. Your vet will confirm the right timing and dose for your dog's size and breed.
Why does Ostopet contain Vitamin D3 along with calcium? ▼
Vitamin D3 is essential for the body to absorb calcium from the gut. Without adequate D3, calcium passes through the digestive system without being absorbed — making the supplement ineffective. Ostopet's D3 content ensures the calcium it provides is actually absorbed and used by the body.
Can I give too much Ostopet to my dog? ▼
Yes — excess calcium is harmful, especially in large breed puppies where it can cause skeletal abnormalities. Always follow the recommended dose for your dog's weight. Do not give Ostopet alongside other calcium supplements or Vitamin D3 supplements simultaneously. If your dog eats complete commercial food, check with your vet before adding calcium.
