Nexavir is a product containing porcine liver extract. Nexco Pharma describes Nexavir Injectable as a prescription product and states that it is used for unspecified viral symptoms and fatigue. Claims relating to Long COVID have not been evaluated by the FDA.

Can Nexavir be used for Long COVID fatigue?

Nexco Pharma discusses Nexavir in connection with symptoms such as fatigue, brain fog, CFS/ME and conditions commonly referred to as Long COVID. However, Long COVID is complex and there is currently no approved treatment specifically for Long COVID. Patients should discuss treatment options with a qualified healthcare professional.

What is Nexco Cream 75?

Nexco Cream 75 is a topical product marketed by Nexco Pharma. The manufacturer describes it as containing porcine liver extract along with other ingredients. Consumers should follow the product labeling and consult a healthcare professional when appropriate.

What is Nexavir Injectable?

Nexavir Injectable is a prescription product containing porcine liver extract. Nexco Pharma states that administration by intramuscular or subcutaneous injection requires a prescription from a healthcare professional.

What are common symptoms of Long COVID?

Long COVID can involve many different symptoms. Commonly reported symptoms include fatigue, post-exertional malaise, difficulty thinking or concentrating (brain fog), sleep problems, dizziness, shortness of breath and other ongoing health problems.

Is there an approved treatment for Long COVID?

There is currently no approved treatment specifically for Long COVID. Current clinical guidance focuses on evaluating and managing individual symptoms and conditions, improving function and quality of life, and developing an individualized care plan.

Nexavir helps in Fast-Track Recovery from Long COVID

For millions of people living with the persistent aftereffects of SARS-CoV-2, Long COVID fatigue goes far beyond feeling tired after a long day. It’s an overwhelming biological crash—one where even simple daily tasks can trigger Post-Exertional Malaise (PEM), heavy brain fog, and relentless inflammation. When your body feels like it's constantly running on empty, holding onto your everyday life for months or years can feel like an uphill battle.

Achieving a fast-track recovery requires targeting the root underlying immune dysregulation. This is where Nexavir products—including non-prescription Nexco Cream 75 and prescription Nexavir Injectable—offer a unique, multi-layered therapeutic strategy.

The Biological Barrier: Why Long COVID Fatigue Persists

Long COVID fatigue is heavily tied to persistent microvascular inflammation, neuroinflammation, cellular energy failure, and dysregulated immune responses—often triggered by residual viral fragments or reactivated latent viruses (such as EBV or HHV-6).
Standard rest often falls short because the immune system remains stuck in a hyper-reactive state. To fast-track recovery, patients need specialized compounds capable of soothing vascular inflammation and modulating immune dysfunction.

The Nexavir Advantage: A Proven 75-Year Therapeutic Legacy

Nexavir products are built upon a purified, standardized porcine liver extract composed of natural, low-molecular-weight polypeptides. Originally developed in the 1930s as Kutapressin, this active formulation has a distinguished 75-year history of clinical safety and effectiveness in treating severe inflammatory skin conditions, acute viral reactivation, and Myalgic Encephalomyelitis / Chronic Fatigue Syndrome (ME/CFS).

Because published medical literature demonstrates a substantial overlap in biological abnormalities between ME/CFS and Long COVID, Nexavir formulations are uniquely positioned to address post-viral fatigue.

How Nexavir Products Accelerate Post-Viral Recovery

Targeted Anti-Inflammatory & Microvascular Support

The natural polypeptides in Nexavir products help resolve micro-vascular swelling and tissue inflammation, helping restore proper microcirculation and tissue oxygenation essential for cellular energy production.

Immune System Modulation

Rather than suppressing the immune response, Nexavir acts as an immunomodulator, helping quiet perpetual post-viral immune activation and reducing the systemic "flare-ups" that cause severe fatigue crashes.

Reduction of Brain Fog & Cognitive Sluggishness

By addressing central neuroinflammation and vascular dysregulation, users frequently report improved mental clarity, reduced brain fog, and better cognitive stamina.

Dual-Action Recovery Protocol: Nexco Cream 75 + Nexavir Injectable

Nexco Pharma offers a versatile, dual-approach protocol tailored to varying patient needs and recovery stages:

1. Nexco Cream 75 (Topical & Non-Prescription)

Convenient & Non-Invasive: Ideal for daily fatigue management, localized discomfort, and ongoing maintenance without requiring medical injections.
Rapid Transdermal Delivery: Applied easily to the skin (such as the inner wrists), allowing active polypeptides to absorb directly into topical vascular channels to help alleviate fatigue and unspecified post-viral symptoms.

2. Nexavir Injectable (Prescription Solution)

Maximum Potency: Formulated for physician-guided treatment protocols addressing severe chronic fatigue, high viral loads, and profound post-viral immune dysfunction.
Direct Systemic Action: Delivers high concentrations of active polypeptides systemically to jumpstart recovery in severe or long-standing cases.

FAQ

While Nexavir Injectable provides high-potency systemic support under medical supervision for severe post-viral immune dysfunction, Nexco Cream 75 offers an accessible, non-prescription topical option for daily ongoing fatigue management and microvascular relief.

Both products rely on a specially purified porcine liver extract containing a complex mixture of non-toxic, low-molecular-weight polypeptides and amino acids that work at the cellular level to reduce inflammation and edema.

Yes. Derived from the historic Kutapressin formulation, porcine liver extract has over 75 years of documented clinical safety with no known major side effects, making it a reliable option for chronic fatigue management.

Nexco Cream 75 is a non-prescription topical formulation that can be ordered directly. However, Nexavir Injectable is a prescription-based therapeutic, and orders require doctor authorization prior to processing.

Fast-Track Your Path Back to Vitality

Fast-tracking Long COVID recovery isn't about pushing through the pain; it's about giving your immune and vascular systems the biological support needed to calm inflammation and rebuild cellular resilience.

By combining decades of documented safety with targeted anti-inflammatory action, Nexco Cream 75 and Nexavir Injectable represent a powerful, multi-pronged solution for overcoming post-viral fatigue.