However, please keep in mind that product formulations and availability may change over time, so I recommend checking with reputable retailers or the manufacturer's website for the most current information about this product.

While I can't provide specific details about this particular product beyond my last update, here's some general information about potential ingredients that are commonly used in supplements for cold sore relief and immune support:

Lysine: Lysine is an amino acid that is often included in supplements for cold sore relief. Some research suggests that taking lysine supplements may help reduce the frequency and severity of cold sore outbreaks.

Vitamin C: Vitamin C is known for its immune-supporting properties and antioxidant effects. It may help strengthen the immune system and support the body's defense against infections.

Zinc: Zinc is another mineral that plays a crucial role in supporting the immune system. It may help reduce the duration and severity of cold sores.

Other immune-supporting ingredients: Some supplements may also include other immune-boosting ingredients like echinacea, elderberry, or astragalus.

As with any dietary supplement, it's essential to consult with a healthcare professional before using "Nature's Own Cold Sore Relief Double Strength for Immune Support - 100 Tablets" or any similar product. They can provide personalized advice based on your individual health needs and medical history. Additionally, if you experience frequent or severe cold sores, it's best to seek guidance from a healthcare provider for proper diagnosis and management.