LifeSource Vitamins Ashwagandha — 450 mg Capsules (60) — Stress Relief, Sleep, Energy & Hormonal Balance*
LifeSource Ashwagandha supplies 450 mg of standardized Withania somnifera extract (root/leaf; min. ~2.5% total withanolides ≈ 11 mg) per capsule—an adaptogen clinically studied for easing stress, improving sleep quality, supporting cognition, physical performance, and healthy hormonal balance.* Produced in FDA-registered, GMP-certified facilities and 3rd-party tested for purity, potency & label accuracy.
Research Promise:At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in theNational Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from leading health organizations and top global universities to help keep our guidance aligned with credible science.*
Clinically Studied Benefits (with research)
Group 1 — Stress, Sleep & Mood
• Reduces stress & cortisol — High-concentration root extract (300 mg twice daily) lowered perceived stress scores and serum cortisol vs placebo (60-day RCT). Chandrasekhar 2012, PubMed
• Improves overall stress/anxiety — Systematic review/meta-analysis of RCTs found significant reductions in stress/anxiety with ashwagandha vs placebo. Ng 2022, PubMed
• Enhances sleep quality — Randomized trials (10–12 wks; 240–600 mg/day) improved sleep onset latency, efficiency and quality in insomnia/stressed adults. Langade 2019, PubMed; Deshpande 2020, PubMed
• Rapid anxiolytic effect — Multiple RCTs (250–600 mg/day) show early reductions in anxiety/stress scores within 2–4 weeks. Pratte 2021 review, PubMed
Group 2 — Cognition & Mental Performance
• Improves memory & executive function — 8-week RCT in adults with mild cognitive impairment showed significant gains vs placebo. Choudhary 2017, PubMed
• Supports attention & processing speed — Randomized trials in stressed adults demonstrated better cognitive performance with standardized extract. Lopresti 2020, PubMed
• Neurobiological basis — Reviews note modulation of the HPA axis and GABAergic/serotonergic signaling consistent with anti-stress and pro-cognitive effects. Salve 2022 review, PubMed
Group 3 — Physical Performance & Hormonal Health
• Strength & muscle gains — 600 mg/day during resistance training increased 1-RM strength, muscle size and testosterone vs placebo (8-wk RCT). Wankhede 2015, PubMed
• VO2max & endurance — RCTs report improvements in cardiorespiratory endurance and recovery with standardized extract. Wankhede 2015; Systematic review 2022, PubMed
• Male reproductive health — Oligospermic men taking root extract showed higher sperm count/motility and serum testosterone (12-wk RCT). Ambiye 2013, NIH/PMC
• Hormone support in adults — 8-week RCT observed increases in DHEA-S and testosterone with standardized extract vs placebo. Lopresti 2019, NIH/PMC
Group 4 — Metabolic, Thyroid & General Wellness
• Thyroid support (subclinical hypothyroidism) — 600 mg/day increased T3/T4 and reduced TSH vs placebo (8-wk RCT). Sharma 2018, NIH/PMC
• Glycemic & lipid markers — Reviews of RCTs report improvements in fasting glucose, lipids and inflammation in stressed/metabolic subjects. Pratte 2021 review, PubMed
• Global safety overview — ODS notes 300–600 mg/day is generally well-tolerated in short-term trials; avoid during pregnancy; rare liver-injury case reports exist. NIH ODS; Liver injury case series 2021, PubMed
Additional Studies Showing Promising Benefits*
• Perceived stress & wellbeing — 240 mg/day of high-withanolide extract improved stress, sleep and wellbeing in a large RCT. Ng 2022 meta-analysis
• Energy, mood & cognition — Recent randomized, placebo-controlled trials report improvements in energy and mood domains with standardized root extract. Kale 2024 RCT
• Cognitive processing & attention — RCT data support faster reaction time and better attention with ashwagandha. Lopresti 2020
• Comprehensive overview — Broad narrative review summarizes sleep, mental, physical and recovery outcomes across trials. Ferreira 2025 review
We monitor research from the world’s leading institutions — including Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oregon State University’s Linus Pauling Institute, Tufts, Boston University, Cornell, Columbia, and Ohio State — to keep guidance aligned with credible science.*
Brief Benefit Bullets
• Clinically studied adaptogen for stress relief & healthy cortisol*
• Enhances sleep quality, cognition, energy & resilience*
• Supports strength, endurance & male hormonal health*
• Backed by RCTs for thyroid and metabolic markers*
3rd-party lab tested for identity, purity & potency
Suggested Use
Take 1 capsule daily with water, or as directed by your healthcare professional. If pregnant or breastfeeding, do not use. Use caution with sedatives/thyroid medication. Stop use and consult your physician if you experience unusual symptoms.*
Product Specifications
• Strength — 450 mg Ashwagandha extract (root & leaf; min. ~2.5% withanolides ≈ 11 mg) per capsule
• Count — 60 vegetarian capsules (60 servings)
• Serving Size — 1 capsule
• Other Ingredients — Hypromellose (cellulose) capsule, vegetable-source stearic acid, rice flour
• Free From — Non-GMO; not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients (per facility statement)
• Quality — Third-party tested for identity, potency & purity
Key Ingredient
Withania somnifera (Ashwagandha) Extract — A well-researched adaptogen that helps the body adapt to stress, supports sleep, cognition, physical performance and healthy hormonal balance.* NIH ODS
3rd-Party Testing: Every batch is independently verified for identity, potency, and purity. See our testing.
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Ashwagandha 450 mg (60 caps) — stress & sleep support, cognition, performance, thyroid & metabolic markers; RCT-backed; third-party tested. Clinically Studied — NIH/PubMed links!*
