Essential additions to boost your canine's vitality and longevity
Dr. Keith A. Hnilica DVM, MS, MBA, DACVD
6 min read
Modern veterinary and human research continues to demonstrate the value of targeted nutrition for supporting healthy skin, immune function, metabolism, and overall well-being. Four nutrients that have received significant scientific attention are vitamin A, niacinamide (vitamin B3), marine omega-3 EPA, and hemp-derived nutrients. Each contributes to different biological pathways, and together they provide complementary support for whole-body health.
Vitamin A is an essential fat-soluble nutrient involved in epithelial cell growth, immune function, vision, and normal skin turnover. In veterinary dermatology, vitamin A has been used under veterinary supervision to help support selected disorders involving abnormal keratinization and skin barrier dysfunction.
Vitamin A helps support:
Normal skin cell turnover
Healthy hair follicle function
Skin barrier integrity
Balanced sebaceous gland activity
Healthy vision
Immune system function
Normal mucosal tissue health
Maintaining appropriate vitamin A levels contributes to healthy skin, a soft coat, and normal epithelial function throughout the body. Because vitamin A is fat-soluble, supplementation should always follow veterinary guidance to avoid excessive intake.
Niacinamide (nicotinamide), a form of vitamin B3, is an essential component of NAD+-dependent metabolic pathways that support cellular energy production and repair. It is widely studied for its roles in dermatology, metabolism, and healthy aging.
Niacinamide supports:
Healthy skin barrier function
Cellular energy production
Normal collagen maintenance
Healthy circulation
Nervous system function
Protection against oxidative stress
Overall metabolic health
In veterinary medicine, niacinamide has also been used as part of treatment protocols for selected inflammatory skin conditions under veterinary supervision.
Eicosapentaenoic acid (EPA) is a long-chain marine omega-3 fatty acid found primarily in fish and algae oils. Among omega-3 fatty acids, EPA is especially recognized for supporting healthy inflammatory responses.
Research supports EPA's role in maintaining:
Healthy skin hydration
Joint comfort and mobility
Cardiovascular health
Normal cognitive function
Balanced immune responses
Healthy sebaceous gland function
Cell membrane integrity
Veterinary nutrition frequently incorporates EPA to help support dogs with skin sensitivities, inflammatory conditions, and age-related joint changes as part of a comprehensive care plan.
Hemp-derived ingredients are increasingly being studied for their potential role in supporting overall wellness. Depending on the formulation and applicable regulations, hemp products may contain naturally occurring compounds, essential fatty acids, and other plant constituents that support normal physiologic function.
Hemp-derived nutrients may help support:
Emotional well-being
Relaxation during everyday stress
Healthy recovery
Normal sleep cycles
Overall comfort
General quality of life
Product composition varies widely, so hemp-based supplements should be selected carefully and used according to veterinary recommendations.
Each nutrient contributes to a different aspect of normal physiology:
Vitamin A supports skin structure, epithelial renewal, and immune health.
Niacinamide supports cellular metabolism, skin barrier function, and energy production.
EPA helps maintain healthy inflammatory balance and supports skin, joints, heart, and brain.
Hemp-derived nutrients may help promote relaxation, comfort, and overall wellness.
Together, these complementary nutrients support multiple body systems rather than focusing on a single organ or symptom.
When combined with balanced nutrition, routine veterinary care, exercise, and appropriate grooming, these nutrients can contribute to:
Healthy skin and coat
Normal sebaceous gland function
Healthy immune responses
Joint and mobility support
Healthy nervous system function
Cardiovascular wellness
Healthy aging and vitality
While no supplement replaces appropriate veterinary diagnosis and treatment, targeted nutrition can play an important role in supporting long-term health. Selecting evidence-informed ingredients and using them appropriately allows pet owners to complement medical care with nutritional strategies that promote wellness from the inside out.
