Work in progress: my first-hand notes aren't finished yet, and I haven't given it a rating. This page is not indexed until they are.
CortiSync Review: I Took It for 60 Days (Receipts Inside)
By Ray, software developer, not a clinician
Last reviewed
The short version
Opinion · Ray
A reasonable formula built around Sensoril ashwagandha, with every amount on the label, at a premium price. The ashwagandha is where the evidence is. Five of the other six ingredients sit below the doses used in their trials.
Consider it if
- You want Sensoril ashwagandha plus a few extras in one product, and that convenience is worth a premium to you
- You want every ingredient amount printed on the label, with no proprietary blend
- You want the price and guarantee terms, limits included, in writing before you buy
Skip it if
- You want a single-ingredient ashwagandha at lower cost
- You want the secondary ingredients at the doses used in their trials
- You'd rather fix sleep, caffeine timing and workload first and see where that leaves you
One person's judgment. Your results may differ.
Price: from $49/bottle on the 6-pack as of Sep 26, 2026; prices change.
Guarantee: 67-day money-back guarantee, with limits (fine print further down).
Source: official site, checked Sep 26, 2026
How to read this CortiSync review: product facts come from the label or the company’s site, research boxes are about individual ingredients, and anything marked Opinion is mine. None of it comes from my own use yet.
What CortiSync is
Product fact
CortiSync is a capsule supplement sold under the PrimeGENIX brand by Leading Edge Health Inc.
- Price: from $49/bottle on the 6-bottle order (as of Sep 26, 2026; prices change).
- Guarantee: 67 days, with limits (fine print further down).
Source: official site, checked Sep 26, 2026
Product fact
The main ingredient is Sensoril, a branded ashwagandha extract, at 300 mg per serving. Six other ingredients are listed with it (table below).
- Serving: 2 capsules daily, preferably with a meal.
- Bottle: 30 servings per bottle.
- Label on file: NIH Dietary Supplement Label Database, label #306916.
Source: product label, NIH Dietary Supplement Label Database #306916, checked Sep 26, 2026
What’s in it
Product fact
| Ingredient | Standardization | Per serving |
|---|---|---|
| Sensoril ashwagandha root extract | — | 300 mg |
| Lemon balm powder | — | 150 mg |
| Lichi fruit extract | — | 120 mg |
| L-theanine | — | 100 mg |
| Holy basil leaf extract | 2% ursolic acid | 100 mg |
| Magnolia bark extract | — | 100 mg |
| Rhodiola root extract | 3% rosavins, 1% salidroside | 50 mg |
Other ingredients: cellulose, rice hull concentrate. Directions: Two capsules daily, preferably with a meal. Bottle: 60 capsules (30 servings).
Source: product label, NIH Dietary Supplement Label Database #306916, checked Sep 26, 2026
Opinion · Ray ·
Two things I like. Every amount is printed, with no proprietary blend, so you can hold each one up against the research. And it’s clear which ingredient the formula is built around: Sensoril is the largest amount on the label. What I’m less sure about is the supporting cast, which I get into below.
The ingredient-by-ingredient receipts list the study, participants, duration, dose and funder for each one.
One person's view. Your results may differ.
What the research says
Three layers here: the Sensoril trials, the wider ashwagandha research, and the six secondary ingredients. Every study below tested an ingredient, and I name the funder wherever it is known.
Ingredient evidence · Sensoril (ashwagandha)
Sensoril is a branded water-based extract of ashwagandha. Two trials in chronically stressed adults tested it directly.
In a 2008 company-funded trial, Sensoril at 125–500 mg/day lowered serum cortisol vs placebo over 60 days. The same trial also reported lower stress-questionnaire scores and higher DHEA-S. The caveats are real: it appeared in a small nutraceutical trade journal that PubMed doesn’t index, 98 of the 130 people enrolled finished, and the authors reportedly included employees of the companies that made and marketed the extract.
A 2024 trial in chronically stressed adults in India tested Sensoril at 125, 250 and 500 mg/day for 8 weeks. Compared with placebo, it reported dose-related drops in Perceived Stress Scale scores and in plasma cortisol, plus better sleep and vitality scores. The extract was reportedly prepared by the Sensoril maker, so count this one as manufacturer-linked too.
A 2018 trial, reportedly funded through a grant from the Sensoril maker, gave 500 mg/day to recreationally active men aged 18–45 on a strength program for 12 weeks. Its main outcomes were strength and body composition, not stress, and it reported that blood chemistry stayed normal.
Per the label, the Sensoril amount in CortiSync is 300 mg. That sits between the 250 and 500 mg/day arms of the stress trials, not at a dose either trial tested exactly.
The studies cited on the company’s site are studies of Sensoril, the ingredient.
- Auddy B, et al. A Standardized Withania Somnifera Extract Significantly Reduces Stress-Related Parameters in Chronically Stressed Humans. JANA. 2008.
- Pandit S, et al. Effects of Withania somnifera Extract in Chronically Stressed Adults: A Randomized Controlled Trial. Nutrients. 2024.
- Ziegenfuss TN, et al. Effects of an Aqueous Extract of Withania somnifera on Strength Training Adaptations and Recovery: The STAR Trial. Nutrients. 2018.
Ingredient evidence · Ashwagandha, all extracts
Zoom out to ashwagandha in general and the picture is mixed.
- Cortisol: a 2023 systematic review of 9 trials in stressed adults found ashwagandha was associated with lower cortisol. The authors added that long-term effects aren’t understood.
- How stressed people feel: a 2022 meta-analysis of 12 trials found lower stress scores than placebo, but rated the certainty of the evidence low, with high variation between trials. A 2025 meta-analysis found lower cortisol but no significant change in Perceived Stress Scale scores. A lower number on a lab report didn’t reliably mean people felt less stressed.
- Men in midlife: the trial closest to this site’s readers, overweight men aged 40–70, used a different extract (Shoden) and found no significant difference in salivary cortisol vs placebo. It was reportedly funded by that extract’s maker.
- Sleep: a 2021 meta-analysis of 5 trials found a small effect on overall sleep scores, stronger at 600 mg/day or more and over 8 weeks or more. Per the label, the Sensoril amount here is 300 mg, below that 600 mg/day mark.
Much of the widely cited ashwagandha cortisol research used other extracts, mainly KSM-66 and Shoden. Those results don’t transfer automatically to Sensoril.
- Della Porta M, et al. Effects of Withania somnifera on Cortisol Levels in Stressed Human Subjects: A Systematic Review. Nutrients. 2023.
- Akhgarjand C, et al. [Systematic review and meta-analysis of 12 randomized controlled trials of ashwagandha supplementation; stress outcomes.] Phytotherapy Research. 2022.
- Albalawi AA. Dual impact of Ashwagandha: Significant cortisol reduction but no effects on perceived stress. Nutrition and Health. 2025.
- Lopresti AL, et al. Hormonal and Vitality Effects of Ashwagandha in Aging, Overweight Males. American Journal of Men's Health. 2019.
- Cheah KL, et al. Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysis. PLoS One. 2021.
Ingredient evidence · The six secondary ingredients
Here is each secondary ingredient’s label amount next to the dose used in a human trial of that ingredient.
| Ingredient | Per the label | Dose in the trial | Receipts |
|---|---|---|---|
| L-theanine | 100 mg | 200 mg/day for 4 weeks | Hidese 2019: 30 adults, company-funded |
| Rhodiola | 50 mg | 400 mg/day of the WS 1375 extract for 8 weeks | Lekomtseva 2017: 100 adults, no placebo group, maker-affiliated author |
| Holy basil | 100 mg leaf extract | 250 mg/day of the Holixer extract for 8 weeks | Lopresti 2022: 100 adults, company-funded per trade press |
| Lemon balm | 150 mg powder | Single 300 mg and 600 mg doses of a standardized extract | Kennedy 2004: 18 young volunteers, one lab stressor, extract supplied by its maker |
| Magnolia bark | 100 mg | 500 mg/day of Relora, a magnolia and phellodendron blend, for 4 weeks | Talbott 2013: 56 adults, company-linked |
| Lychee (lichi) | 120 mg fruit extract | 100 mg/day of Oligonol, a proprietary lychee and green tea product, for 4 weeks | Lee 2010: 19 unstressed young men, product supplied by its maker |
Five of the six are below the dose used in those trials, several by a wide margin. The lemon balm on the label is a powder, not the standardized extract that was tested. The magnolia trial used a blend with phellodendron, so its result can’t be pinned on magnolia alone. Lychee is the odd one out. Its label amount isn’t below the trial dose, but that trial used Oligonol, a different proprietary product, in 19 young men who weren’t stressed, and it measured no stress, mood or sleep outcomes.
- Hidese S, et al. Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults. Nutrients. 2019.
- Lekomtseva Y, et al. Rhodiola rosea in Subjects with Prolonged or Chronic Fatigue Symptoms: Results of an Open-Label Clinical Trial. Complementary Medicine Research. 2017.
- Lopresti AL, et al. Ocimum tenuiflorum (Holy Basil) extract (Holixer) on stress, mood, and sleep in adults experiencing stress. Frontiers in Nutrition. 2022.
- Kennedy DO, et al. Attenuation of laboratory-induced stress in humans after acute administration of Melissa officinalis (Lemon Balm). Psychosomatic Medicine. 2004.
- Talbott SM, et al. Effect of Magnolia officinalis and Phellodendron amurense (Relora) on cortisol and psychological mood state in moderately stressed subjects. JISSN. 2013.
- Lee JB, et al. The effect of Oligonol intake on cortisol and related cytokines in healthy young men. Nutrition Research and Practice. 2010.
Opinion · Ray ·
My read: most of the evidence behind this formula is for the Sensoril, and both Sensoril stress trials above are linked to Sensoril’s maker. The six extras look like a supporting cast at doses I wouldn’t count on.
One person's view. Your results may differ.
My 60 days
Opinion · Ray ·
The 60-day log is still to come. Until it’s done, nothing on this page comes from my own use, and the review has no rating.
One person's view. Your results may differ.
Price and guarantee fine print
Product fact
| Order | Per bottle | Per serving |
|---|---|---|
| 1 bottle | $59 | $1.97 |
| 3 bottles | $55 | $1.83 |
| 6 bottles | $49 | $1.63 |
| Subscription | $49/month | $1.63 |
Free shipping in the continental US on orders $100+ (official site).
Guarantee fine print: 67-day money-back guarantee. Per the company's terms: returns must arrive at their warehouse within 67 days of delivery; shipping isn't refunded; unopened bottles plus your first two opened bottles are eligible; refunds are limited to one order per customer.
Source: official site, checked Sep 26, 2026
Opinion · Ray ·
The pricing leans toward bulk. The lowest per-bottle price needs the biggest order or the subscription. For a first order I’d rather pay more per serving for a single bottle than commit to a multi-bottle order before I know how it sits with me. The guarantee helps, but it has limits. Refunds are limited to one order per customer, so I wouldn’t lean on it as a safety net.
On value: you’re paying for a formula, not only the Sensoril. If the six extras don’t matter much to you at these doses, and I don’t think they should, a single-ingredient ashwagandha is probably the leaner buy. I haven’t priced one against it yet.
One person's view. Your results may differ.
What I didn’t like
Opinion · Ray ·
- The price. It’s a premium formula price, and the ingredient with most of the stress research, ashwagandha, is sold on its own.
- The secondary doses. Five of the six extras sit below the doses used in their trials, some far below. They make the label longer. I don’t think they make the case stronger.
- The refund limit. One refunded order per customer, per the company’s terms, with other limits in the fine print above.
- The serving. It’s 2 capsules a day, preferably with a meal. Minor, but it’s one more thing to remember on a busy day.
One person's view. Your results may differ.
Safety notes
Ingredient evidence · Ashwagandha
- Tolerability: the NIH Office of Dietary Supplements describes ashwagandha as generally well tolerated for up to about 3 months, with mostly mild side effects such as loose stools, nausea and drowsiness. Long-term safety data are lacking.
- Liver: rare cases of liver injury have been reported, typically 2–12 weeks after starting, with jaundice and itching (LiverTox; a 5-patient case series). Most cases settled within months. A case series from India reported liver failure, including some deaths, in people who already had chronic liver disease.
- Thyroid: ashwagandha can shift thyroid hormone levels. In a small trial in adults with subclinical hypothyroidism, an ashwagandha root extract at 600 mg/day raised T3 and T4 vs placebo over 8 weeks. A small follow-up analysis of a Sensoril trial in a psychiatric population saw T4 rise in all three people on the extract who had abnormal thyroid values. That’s why it’s a caution for anyone with a thyroid condition or on thyroid medication.
- Other cautions: ODS also flags possible drug interactions, pregnancy, and hormone-sensitive prostate cancer.
The CortiSync side-effects page goes through the ingredient safety research in more detail.
- NIH Office of Dietary Supplements. Ashwagandha. Health Professional Fact Sheet.
- NIDDK. Ashwagandha. LiverTox, NCBI Bookshelf.
- Björnsson HK, et al. Ashwagandha-induced liver injury: A case series from Iceland and the US Drug-Induced Liver Injury Network. Liver International. 2020.
- Philips CA, et al. Ashwagandha-induced liver injury: A case series from India and literature review. Hepatology Communications. 2023.
- Sharma AK, et al. [Randomized placebo-controlled trial of ashwagandha root extract and thyroid hormone levels in 50 adults with raised TSH.] Journal of Alternative and Complementary Medicine. 2018.
- Gannon JM, et al. Subtle changes in thyroid indices during a placebo-controlled study of an extract of Withania somnifera […]. J Ayurveda Integr Med. 2014.
Talk to your doctor before any adaptogen supplement if you’re pregnant, take medication, or have a thyroid, liver or autoimmune condition.
Alternatives
Opinion · Ray ·
- CortiSync vs plain ashwagandha: the one I’d read first if price matters, since ashwagandha is where the evidence is.
- CortiSync vs Cortisol Manager: another cortisol formula, reported to include Sensoril in a proprietary blend. Its label details are still being checked.
- CortiSync vs Nugenix Cortisol Control: a cortisol formula marketed to men. Its label details are still being checked.
- Sensoril vs KSM-66: if you’ve settled on ashwagandha and are choosing an extract.
- Or none of the above for now. I’d start with the caffeine cut-off and sleep before any bottle.
One person's view. Your results may differ.
Bottom line
Opinion · Ray ·
CortiSync is a Sensoril-based formula with a fully disclosed label: every amount is printed, and the Sensoril dose sits inside the range tested in the Sensoril stress trials, both linked to Sensoril’s maker. The other six ingredients are mostly below the doses used in their own trials, so I count them as extras, not reasons to buy. You pay a premium for the combination.
If Sensoril plus a few extras in a single product is what you want, it’s a reasonable pick. If you mainly want ashwagandha, a single-ingredient product is the simpler buy. I’ll add a rating only after the 60-day log is done.
One person's view. Your results may differ.
Pros and cons at a glance
Opinion · Ray
What I like
- Every ingredient amount is printed on the label, with no proprietary blend.
- The Sensoril dose falls inside the 125–500 mg/day range tested in the manufacturer-linked Sensoril stress trials.
- Sensoril is a named, branded extract, so you can look up the specific trials behind it.
- The guarantee terms, limits included, are published in writing on the company's site.
What I don't
- You pay for a seven-ingredient formula, while the ingredient with most of the stress and cortisol research, ashwagandha, is sold on its own.
- Five of the six secondary ingredients are below the doses used in their human trials, and the lychee data come from a different product.
- The lowest per-bottle price needs the largest order or the subscription.
- Per the company's terms, refunds are limited to one order per customer and shipping isn't refunded.
One person's view. Your results may differ.
FAQ
Does CortiSync lower cortisol?
The research I can point to is on the ingredients. The studies cited on the company's site are studies of Sensoril, the ingredient. In manufacturer-linked trials, Sensoril at 125 to 500 mg/day was associated with lower cortisol and lower stress-questionnaire scores than placebo. My own 60-day log is still to come, and one person's notes wouldn't settle the question either way.
Ingredient evidence · studies listed under Sources below
What's in CortiSync?
Per the label: Sensoril ashwagandha root extract, lemon balm powder, lichi (lychee) fruit extract, L-theanine, holy basil leaf extract, magnolia bark extract and rhodiola root extract, with cellulose and rice hull concentrate as other ingredients. The amount of each one is in the ingredient table above.
Product fact · Source: product label, NIH DSLD #306916, checked Sep 26, 2026
Is CortiSync the same as taking plain ashwagandha?
No. Per the label, Sensoril ashwagandha is the main ingredient and six others are added. Ashwagandha extracts also differ from each other. Much of the widely cited ashwagandha cortisol research used other extracts, such as KSM-66 and Shoden, so those results don't transfer automatically to Sensoril.
Ingredient evidence · studies listed under Sources below
Is CortiSync safe to take?
I can't promise that about any supplement. The NIH Office of Dietary Supplements describes ashwagandha as generally well tolerated for up to about 3 months, with mostly mild side effects, and notes rare reports of liver injury, possible thyroid effects and drug interactions. Talk to your doctor before any adaptogen supplement if you're pregnant, take medication, or have a thyroid, liver or autoimmune condition.
Ingredient evidence · studies listed under Sources below
How much does CortiSync cost?
Prices change, so I don't type them into the text. See the price table above: it shows each order size, the per-serving cost and the date I last checked it.
Product fact · Source: official site, checked Sep 26, 2026
What does the money-back guarantee cover?
Per the company's terms, there is a money-back guarantee with limits on which bottles qualify, what gets refunded and how many orders per customer. The full fine print, and the date I last checked it, is in the price and guarantee section above.
Product fact · Source: official site, checked Sep 26, 2026
Do you make money if I buy it?
Yes. I'm an affiliate of SellHealth (Leading Edge Health), the company behind CortiSync. If you buy through the links on this page I earn a commission. It costs you nothing extra and doesn't change what I write.
About this site
*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.
Sources
- NIH Dietary Supplement Label Database. CortiSync (PrimeGENIX), label #306916.
- Auddy B, Hazra J, Mitra A, Abedon B, Ghosal S. A Standardized Withania Somnifera Extract Significantly Reduces Stress-Related Parameters in Chronically Stressed Humans: A Double-Blind, Randomized, Placebo-Controlled Study. Journal of the American Nutraceutical Association. 2008.
- Pandit S, et al. Effects of Withania somnifera Extract in Chronically Stressed Adults: A Randomized Controlled Trial. Nutrients. 2024.
- Ziegenfuss TN, et al. Effects of an Aqueous Extract of Withania somnifera on Strength Training Adaptations and Recovery: The STAR Trial. Nutrients. 2018.
- Della Porta M, et al. Effects of Withania somnifera on Cortisol Levels in Stressed Human Subjects: A Systematic Review. Nutrients. 2023.
- Akhgarjand C, et al. [Systematic review and meta-analysis of 12 randomized controlled trials of ashwagandha supplementation; stress outcomes.] Phytotherapy Research 36(11):4115-4124. 2022.
- Albalawi AA. Dual impact of Ashwagandha: Significant cortisol reduction but no effects on perceived stress. A systematic review and meta-analysis. Nutrition and Health. 2025.
- Lopresti AL, et al. A Randomized, Double-Blind, Placebo-Controlled, Crossover Study Examining the Hormonal and Vitality Effects of Ashwagandha (Withania somnifera) in Aging, Overweight Males. American Journal of Men's Health. 2019.
- Cheah KL, et al. Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysis. PLoS One. 2021.
- Hidese S, et al. Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial. Nutrients. 2019.
- Lekomtseva Y, et al. Rhodiola rosea in Subjects with Prolonged or Chronic Fatigue Symptoms: Results of an Open-Label Clinical Trial. Complementary Medicine Research. 2017.
- Lopresti AL, et al. A randomized, double-blind, placebo-controlled trial investigating the effects of an Ocimum tenuiflorum (Holy Basil) extract (Holixer) on stress, mood, and sleep in adults experiencing stress. Frontiers in Nutrition. 2022.
- Kennedy DO, et al. Attenuation of laboratory-induced stress in humans after acute administration of Melissa officinalis (Lemon Balm). Psychosomatic Medicine. 2004.
- Talbott SM, et al. Effect of Magnolia officinalis and Phellodendron amurense (Relora) on cortisol and psychological mood state in moderately stressed subjects. Journal of the International Society of Sports Nutrition. 2013.
- Lee JB, et al. The effect of Oligonol intake on cortisol and related cytokines in healthy young men. Nutrition Research and Practice. 2010.
- NIH Office of Dietary Supplements. Ashwagandha. Health Professional Fact Sheet.
- NIDDK. Ashwagandha. LiverTox: Clinical and Research Information on Drug-Induced Liver Injury. NCBI Bookshelf.
- Björnsson HK, et al. Ashwagandha-induced liver injury: A case series from Iceland and the US Drug-Induced Liver Injury Network. Liver International. 2020.
- Philips CA, et al. Ashwagandha-induced liver injury: A case series from India and literature review. Hepatology Communications. 2023.
- Sharma AK, et al. [Double-blind, randomized placebo-controlled trial of ashwagandha root extract and thyroid hormone levels in 50 adults with raised TSH.] Journal of Alternative and Complementary Medicine 24(3):243-248. 2018.
- Gannon JM, et al. Subtle changes in thyroid indices during a placebo-controlled study of an extract of Withania somnifera […]. Journal of Ayurveda and Integrative Medicine. 2014.