Ashwagandha (Withania somnifera)
Ashwagandha (Withania somnifera) is an adaptogenic herb traditionally used to support resilience during periods of physical and mental stress. O2B uses Sensoril® Ashwagandha, a standardised extract made from both the root and leaves to provide a broad range of naturally occurring withanolides and other active compounds.
It is commonly included in formulas for stress support, sleep, mental performance and recovery.
Supporting the Stress Response
Ashwagandha is best known as an adaptogen: a plant used to help the body cope with ongoing physical or psychological demands.
Its active compounds appear to influence pathways involved in the hypothalamic-pituitary-adrenal (HPA) axis and cortisol regulation, helping support a more balanced response to stress.
This can be useful during periods of high workload, poor recovery, disrupted sleep or persistent mental tension.
Sleep and Relaxation
Stress and sleep are closely linked, and ashwagandha is often used when nervous tension makes it difficult to switch off.
By supporting a calmer stress response, it may help improve sleep quality and make it easier to settle at night without acting as a conventional sedative.
This makes it a good fit in formulas that combine daytime resilience with evening relaxation.
Cognitive Function and Mental Performance
Ashwagandha has also been studied for its effects on concentration, memory and mental fatigue.
Its influence on stress pathways may help preserve cognitive performance during demanding periods, while its antioxidant compounds provide additional support for normal brain and cellular function.
For this reason, it is often used in formulas aimed at focus, resilience and healthy ageing as well as stress management.
Physical Recovery and Vitality
Ashwagandha has traditionally been used to support strength, stamina and recovery during periods of physical stress.
It may be particularly relevant for active people, those under sustained training load, or anyone feeling run down from poor sleep and prolonged stress.
Its role is supportive rather than stimulating, helping the body adapt to demand while maintaining normal energy and recovery processes.
Ashwagandha for Pets
Ashwagandha is also used in some calming and stress-support formulas for dogs, particularly where nervousness, travel, separation or environmental changes affect behaviour.
At appropriate amounts, it can support a more balanced stress response and calmer behaviour, often alongside ingredients such as L-theanine, L-tryptophan or passionflower.
Ashwagandha in O2B Products
At O2B Healthy, ashwagandha is used in O2B Calm-focus™ to support relaxation, mental clarity and a healthy response to stress, and in O2B Cognivit for cognitive function, energy and healthy ageing. It is also included in our O2B K9+ Calm™ and O2B Feline+ Calm™ formulas for nervous system and stress support, as well as O2B K9+ Cognivit™ and O2B Feline+ Cognivit™ for brain health, focus and vitality. Across these formulas, ashwagandha complements amino acids, herbs, probiotics and other nutrients supporting resilience, recovery and nervous system function.