"Vitality" is a broad word, and it's worth being precise about what it means here. It's not a medical claim — it's a general-wellness framing used to describe botanicals with a long history of traditional use for energy, stamina and everyday drive.
A single-ingredient formula is simpler to formulate, but it puts all the weight on one mechanism. Horse Peak Gelatin pairs L-Arginine HCl with six botanicals — Tongkat Ali, Maca Root, Ashwagandha, Epimedium, Beet Root and Grape Seed — spreading the formula across circulation, stamina and stress resilience rather than betting on a single compound.
Several of these botanicals, particularly Tongkat Ali and Maca Root, have centuries of traditional use behind them in their regions of origin. That's a different standard than a large randomized clinical trial on the finished product, and it's worth keeping that distinction in mind when weighing any claim.
Like most nutritional supplements, botanicals like these are not designed for an immediate, dramatic effect. Give a formula like this several weeks of consistent daily use before drawing conclusions.