L-lysine
The herpes nutrient An amino acid, and the nutrient most studied for herpes. A review of 12 studies found that people taking more than 3 grams a day reported a better experience of the disease, while doses under 1 gram a day did not seem to help.
Source: Mailoo & Rampes, 2017
Echinacea purpurea
Plant extract The purple coneflower, used for generations for seasonal health. In lab studies, its extract showed activity against both HSV-1 and HSV-2. In people, it has mostly been studied for colds.
Source: Review, 2022
Elderberry
Dark berry extract A traditional berry for immune support. In a lab study, a close relative, dwarf elder (Sambucus ebulus), slowed the herpes virus. In people, elderberry has small studies for colds and flu.
Source: Lab study; NCCIH
Vitamin C from camu camu
Skin repair Camu camu is an Amazon fruit very rich in vitamin C. Your body needs vitamin C to heal wounds and to repair skin and tissue.
Source: MedlinePlus
Zinc
Immune mineral Your immune system needs zinc to work properly. Zinc also plays a role in wound healing. Low zinc can mean frequent infections and wounds that are slow to heal.
Source: MedlinePlus
Vitamins E, B6 and D3
Daily defenders Vitamin E helps keep the immune system strong against viruses and bacteria. Vitamin B6 helps your body make antibodies, which it needs to fight viruses. Vitamin D3 rounds out the formula.
Source: MedlinePlus
One thing to know: the site names the ingredients but does not print the amount of each one. If you want to compare the lysine dose with the studies, ask support for the label, or read the bottle when it arrives. Either way, you are covered by the 60-day guarantee.