If you're finding dog hair on your couch, your clothes, and even in your food, you're not alone. Excessive shedding is one of the most common complaints from dog owners — but it's also one of the most misunderstood.
The good news? Most shedding issues have a clear nutritional cause — and a clear nutritional fix.
1. Omega-3 and Omega-6 Fatty Acid Deficiency
This is the most common cause of excessive shedding in dogs. Many commercial dog foods are low in omega fatty acids, particularly EPA and DHA. These essential fats are the building blocks of healthy skin cells and fur follicles. When they're low, the skin can become dry, inflamed, and follicles release hair prematurely.
Approach: Supplement with high-quality omega-3s (fish oil, salmon oil). Look for at least 500mg of EPA+DHA per serving.
2. Biotin (Vitamin B7) Deficiency
Biotin supports keratin production — the protein that makes up hair. Dogs that don't get enough biotin can develop brittle, weak fur that breaks and sheds easily. High-heat processing of dog food can reduce biotin content.
Approach: Daily biotin supplementation of 300-500mcg has been shown in studies to support coat health within 4-6 weeks.
3. Seasonal Changes
Dogs naturally shed more in spring (losing their winter coat) and fall (preparing for winter). This is normal — but if shedding is year-round and excessive, nutrition is usually a contributing factor.
4. Stress and Anxiety
Chronic stress can trigger elevated cortisol, which affects skin health. Dogs with separation anxiety or other stress triggers often show this through accelerated shedding.
5. Poor Gut Health
The gut-skin connection is real. When your dog's digestive system is imbalanced, nutrients — including the fatty acids and vitamins that support coat health — may not be properly absorbed.
The bottom line: Shedding is a symptom, not a condition. Support nutrition, support the coat.
Where PawVolt fits
We do not make a skin and coat formula. PawVolt makes one product — Hip & Joint — pre-order, ships November 2026.
Disclaimer: This article is for educational purposes only. It is not veterinary advice and is not intended to diagnose, treat, cure, or prevent any disease. Consult your veterinarian for guidance specific to your dog.