SRI-81™ Shatavari scientific studies

An Ayurvedic ally, Shatavari has been nourishing women for over 3,000 years. Revered as the ‘Queen of Ayurvedic Herbs', it’s a species of asparagus, Asparagus racemosus, containing bioactive compounds known as saponins and phytoestrogens. 

SRI-81™ is world-renowned for delivering the full spectrum of beneficial compounds and the most scientifically studied Shatavari extract available. It’s also the one you’ll find in our SRI-81™ Shatavari Plus and Perimenopause Complex. Backed by eight years of research, five gold-standard scientific studies demonstrate its unrivalled ability to support sexual health, postpartum lactation and vital hormonal balance in hormonal transitions and beyond. We unveil its incredible potential here…

 

STUDY 1 

Sexual wellness study

“No wonder Shatavari has been cherished by women for millennia. The potential of SRI-81™ for female sexual wellness is remarkable.”

Isabelle Nunn, Head of Nutrition

 

 

This eight-week study observed 127 participants taking a 300mg dose of SRI-81™ Shatavari root extract daily, revealing its ability to enhance female sexual health. Highlights include:

• 64% improvement in satisfaction
• 34% increase in Female Sexual Function Index
• 31% improvement in desire
• 28% improvement in orgasms
  

Published study: Ademola J, et al. (2026), Int J Women's Health, 10;18:561213. doi: 10.2147/IJWH.S561213. PMID: 41710148; PMCID: PMC12912092.

 

STUDY 2

Lactation study

“The most scientifically studied Shatavari extract available, SRI-81™ has been seen to have impressive impact on lactation in just 72 hours.”

Isabelle Nunn, Head of Nutrition

 

 

A postpartum lactation study examined 113 mothers over 72 hours, all of whom took a daily 300mg dose of SRI-81™ Shatavari. Uncovering its potential to not only increase milk volume but also improve maternal satisfaction. Resulting in:

• 49% faster noticeable breast fullness within 72 hours (p=0.002)
• 450% increase in milk volume after 72 hours (17.82ml at baseline → 97.98ml)
• 53% improvement in maternal wellbeing vs. placebo
  

Published study: Ajgaonkar, A., et al. (2025), Journal of Obstetrics and Gynaecology, 45(1).

 

STUDY 3

Perimenopause study

“The Queen of Ayurvedic Herbs, SRI-81™ can be an incredible ally in perimenopause, providing exceptional mind, body and mood support.”

Isabelle Nunn, Head of Nutrition

 

 

73 perimenopausal women took a 300mg dose of SRI-81™ Shatavari root extract daily for eight weeks, demonstrating that Shatavari can play a key role in easing this transition. Evidence includes:

• 30% reduction in stress scores
• 246% greater fatigue improvement vs placebo
• 33% increase in estradiol
  

Published study: Mahajan S, et al. (2025), Int J Women’s Health,17:4057-4073.

 

STUDY 4

Menopause study

“Research is only just scratching the surface of SRI-81™’s capacity for nourishment in menopause. Its transitional support is outstanding.”

Isabelle Nunn, Head of Nutrition

 

 

Scientists observed 125 menopausal women taking a daily dose of 300mg SRI-81™ Shatavari root extract for eight weeks. Impressive findings revealed how Shatavari can provide substantial support. Notable results include:

• 45% reduction in menopause symptoms (Total MRS score, p < 0.0001)
• 58% reduction in hot flashes (p = 0.002)
• Up to 45% improvement in mood parameters (inc. fatigue, anger & tension)
• Up to 37% improvement in physical, psychological & urogenital symptoms (all p < 0.0001)
  

Published study: Ademola J, et al. (2025), Front. Reprod. Health 7:1654503.

 

STUDY 5

PCOS study

“Shatavari’s support for women is centuries in the making. Its great potential for cycle support is only just being unearthed.”

Isabelle Nunn, Head of Nutrition 

 

This study observed 66 women living with PCOS take 300mg SRI-81™ Shatavari root extract daily for 12 weeks. Among mild to moderate reductions in hormonal markers, they also recorded significant improvements in reproductive parameters, witnessing:

• 28% decrease in follicle count
• 26% increase in endometrial thickness, suggesting hormonal-balancing effects
• 19% decrease in stress (PSS)
  

Published study: Mhatre, Y., et al. (2026), Frontiers in Endocrinology,17,1769773.