Jarrow Formulas Energy Optimizer™ is a comprehensive energy and endurance supplement featuring a clinically studied mushroom blend and Sensoril® Ashwagandha. This advanced formula supports physical and mental resilience, helping the body combat fatigue and stress while promoting vitality and stamina.
Supports energy, endurance, and vitality
Features PeakO2® mushroom blend with Cordyceps, Reishi, Lion’s Mane, Shiitake, King Trumpet, and Turkey Tail
Includes 250 mg of Sensoril® Ashwagandha for stress resilience
Helps combat fatigue and enhance physical performance
Clinically tested for bioavailability and effectiveness
Clinically tested and supported by human trials
Free from wheat, gluten, soy, dairy, egg, fish/shellfish, peanuts/tree nuts, and sesame
Complies with UK and EU supplement regulations
Proprietary Mushroom Blend – 1000 mg
Cordyceps (Mycelial Biomass & Fruit Body)
Reishi (Mycelial Biomass & Fruit Body)
King Trumpet (Mycelial Biomass & Fruit Body)
Shiitake (Mycelial Biomass & Fruit Body)
Lion’s Mane (Mycelial Biomass & Fruit Body)
Turkey Tail (Mycelial Biomass & Fruit Body)
Sensoril® Ashwagandha (Root & Leaf Extract) – 250 mg
Microcrystalline Cellulose
Capsule Shell (Hydroxypropylmethyl Cellulose, Water)
Myceliated Oats
Silicon Dioxide
Magnesium Stearate (Vegetable Source)
Adults take three capsules once daily or as directed by a healthcare professional. Consistent use is recommended for optimal results.
Fast and reliable shipping ensures timely delivery for all orders.
Domestic Orders (UK)
Shipped same day if placed before 3 PM (Monday to Friday) and 12 PM on Saturdays
Sent via Tracked 24-hour service for quick delivery
International Orders
Estimated delivery within 3–5 working days, depending on location
For full details, please see our Shipping Policy