Quick answer: L-arginine is a building block for nitric oxide and has some evidence at gram doses for mild erection problems. Horny goat weed's icariin acts on the same enzyme as ED drugs in the lab, but human data is very limited. Both may lower blood pressure.
L-arginine
Trials that helped used 1.5 to 5 g a day, often combined with pine bark. A gummy is unlikely to contain that much. MedlinePlus.
Horny goat weed
Promising lab results, little human proof. High doses have been linked to dizziness and fast heart rhythm.
Cautions
Never combine with nitrates. Ask your doctor if you take ED pills or blood pressure medicine.
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General information, not medical advice. Strong Peak is a dietary supplement and is not intended to diagnose, treat, cure or prevent any disease.