Limit: 3 per order

Pharmaceutical-grade quality at an affordable price

Promotes nitric oxide production to increase circulation and "feed" hungry muscles

Helps eliminate waste products that result in fatigue

Maximize your energy with Swanson Ultra Pharmaceutical Grade L-Citrulline. As a key player in the urea cycle, L-citrulline boosts cellular energy production while aiding the elimination of metabolic by-products that can cause fatigue. It also acts as a precursor to nitric oxide, supporting healthy circulation to muscle tissues. Our veggie caps feature Kyowa Quality™ pharmaceutical grade L-citrulline, produced through a proprietary fermentation process that ensures consistent purity and potency.