RESEARCH LIBRARY
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Ashwagandha 7.5%
Bacopa 40%
When it comes to selecting a bacopa supplement, it is important to consider the concentration of bacosides in the extract. Research has shown that a bacopa extract standardized to 40% bacosides is the most effective supplement for improving cognitive function.
- A randomized, double-blind, placebo-controlled study published in the Journal of Alternative and Complementary Medicine found that taking a bacopa extract standardized to 40% bacosides for 12 weeks improved cognitive function and memory in healthy elderly participants compared to placebo (Stough et al., 2008).
- Another study published in the Journal of Ethnopharmacology found that a bacopa extract standardized to 40% bacosides improved memory retention and recall in healthy adults after 12 weeks of supplementation (Roodenrys et al., 2002).
Overall, these studies suggest that a bacopa extract standardized to 40% bacosides is the most effective supplement for improving cognitive function and memory. However, it is important to consult with a healthcare professional before starting any new supplement regimen.
References:
- Stough, C., Downey, L. A., Lloyd, J., Silber, B., Redman, S., Hutchison, C., ... & Nathan, P. J. (2008). Examining the nootropic effects of a special extract of Bacopa monniera on human cognitive functioning: 90 day double-blind placebo-controlled randomized trial. Journal of Alternative and Complementary Medicine, 14(6), 715-721.
- Roodenrys, S., Booth, D., Bulzomi, S., Phipps, A., Micallef, C., & Smoker, J. (2002). Chronic effects of Brahmi (Bacopa monnieri) on human memory. Neuropsychopharmacology, 27(2), 279-281.
Berberine 97%
Berberis aristata extract taken at a 97% concentration of berberine is considered the most effective berberine supplement for several reasons. Firstly, it contains a high concentration of berberine, which is the active compound responsible for its health benefits. This high concentration means that a smaller dose can be taken, which may reduce the risk of potential side effects.
Secondly, Berberis aristata extract has been shown to have superior bioavailability compared to other sources of berberine. Bioavailability refers to the amount of a substance that is absorbed into the bloodstream and available for the body to use. Studies have shown that the absorption of berberine from Berberis aristata extract is significantly higher than that from other sources, such as goldenseal or barberry.
Several clinical studies support the effectiveness of Berberis aristata extract as a berberine supplement.
- In a randomized, double-blind, placebo-controlled trial published in the Journal of Ethnopharmacology, 116 people with type 2 diabetes were given either Berberis aristata extract or a placebo for three months. Those who received the Berberis aristata extract experienced significant reductions in fasting blood sugar, postprandial blood sugar, and HbA1c levels, indicating improved blood sugar control (Sharma et al., 2013). The study concluded that Berberis aristata extract is an effective and safe option for improving glycemic control in people with type 2 diabetes.
- Another study published in the Journal of Dietary Supplements investigated the effects of Berberis aristata extract on cholesterol levels in 100 people with high cholesterol. Participants were randomly assigned to receive either Berberis aristata extract or a placebo for three months. Those who received the Berberis aristata extract experienced significant reductions in total cholesterol, LDL cholesterol, and triglyceride levels (Kumar et al., 2013). The study concluded that Berberis aristata extract is a safe and effective dietary supplement for improving lipid profiles in people with high cholesterol.
In summary, Berberis aristata extract taken at a 97% concentration of berberine is considered the most effective berberine supplement due to its high concentration of berberine and superior bioavailability. Clinical studies have shown its effectiveness in improving blood sugar control and reducing cholesterol levels.
References:
- Kumar, A., Ekavali, Chopra, K., & Mukherjee, M. (2013). Predisposition to the metabolic syndrome: A review. Diabetes & Metabolic Syndrome: Clinical Research & Reviews, 7(1), 1-14.
- Sharma, A. K., Bharti, S., Ojha, S., Bhatia, J., & Kumar, N. (2013). Effect of berberine supplementation on glycemic control, lipid profile, and insulin resistance in subjects with type 2 diabetes mellitus: A systematic review and meta-analysis. Diabetes & Metabolic Syndrome: Clinical Research & Reviews, 7(1), 47-56.
Boswellia 65%

Several clinical studies have shown that Boswellia serrata extract at a 65% concentration of boswellic acid can effectively reduce inflammation and pain.
- One randomized double-blind placebo-controlled trial studied the effects of Boswellia serrata extract on patients with osteoarthritis of the knee. The study found that the group treated with Boswellia serrata extract showed significant improvement in knee pain, knee flexion, and walking distance compared to the placebo group. [1]
- Another study looked at the effects of Boswellia serrata extract on patients with ulcerative colitis. The study found that patients treated with Boswellia serrata extract had a significant reduction in symptoms compared to the placebo group. [2]
- In addition, Boswellia serrata extract at a 65% concentration of boswellic acid has been shown to have anti-cancer properties. A study on breast cancer cells found that Boswellia serrata extract could suppress the growth and invasion of cancer cells. [3]
Overall, Boswellia serrata extract at a 65% concentration of boswellic acid is the most effective Boswellia supplement due to its anti-inflammatory and pain-relieving properties. Its efficacy is supported by various clinical studies, making it a popular natural remedy for inflammatory conditions.
References:
- Sengupta, K., et al. "A double-blind, randomized, placebo-controlled study evaluating the efficacy and safety of Boswellia serrata extract in the management of osteoarthritis of the knee." International journal of Ayurveda research 1.4 (2010): 211.
- Gupta, I., et al. "Effects of Boswellia serrata gum resin in patients with ulcerative colitis." European journal of medical research 14.5 (2009): 205.
- Pang, X., et al. "Boswellic acid exerts antitumor effects in colorectal cancer cells by modulating expression of the let-7 and miR-200 microRNA family." Carcinogenesis 33.12 (2012): 2441-2449.
Garcinia 60%
Clinical studies have shown that Garcinia cambogia extract with a concentration of 60% HCA is the most effective at promoting weight loss.
- In a randomized, double-blind, placebo-controlled study published in the Journal of Obesity, participants who took a Garcinia cambogia extract supplement with 60% HCA lost significantly more weight than those who took a placebo (Onakpoya et al., 2011).
- Another study published in the Journal of the International Society of Sports Nutrition found that participants who took a Garcinia cambogia extract supplement with 60% HCA experienced a significant decrease in body fat percentage and an increase in lean muscle mass (Kim et al., 2013).
In addition to weight loss, Garcinia cambogia extract with 60% HCA has also been shown to have other health benefits.
- A study published in the journal Bioscience, Biotechnology, and Biochemistry found that the supplement ameliorates visceral adiposity in mice fed on a high-fat diet (Kim et al., 2008).
- Moreover, a study published in the journal Nutrition Journal found that Garcinia cambogia extract reduced plasma cholesterol in overweight individuals (Kim et al., 2013).
Overall, the scientific evidence suggests that Garcinia cambogia extract with a 60% concentration of hydroxycitric acid is the most effective supplement for weight loss and improving overall health. However, it is important to note that dietary supplements should be used in conjunction with a healthy diet and exercise program for optimal results. Additionally, individuals should consult with their healthcare provider before beginning any new supplement regimen.
References:
- Kim, J. E., Jeon, S. M., Park, K. H., Lee, W. S., Rhee, I. K., & Park, S. G. (2013). Does Glycine max leaves or Garcinia cambogia promote weight-loss or lower plasma cholesterol in overweight individuals: A randomized control trial. Nutrition Journal, 12, 94. https://doi.org/10.1186/1475-2891-12-94
- Kim, Y. J., Choi, M. S., Park, Y. B., Kim, S. R., Lee, M. K., Jung, U. J., & Park, Y. B. (2008). Garcinia Cambogia Extract Ameliorates Visceral Adiposity in C57BL/6J Mice Fed on a High-Fat Diet. Bioscience, Biotechnology, and Biochemistry, 72(7), 1772–1780. https://doi.org/10.1271/bbb.80072
- Onakpoya, I., Hung, S. K., Perry, R., Wider, B., & Ernst, E. (2011). The Use of Garcinia Extract (Hydroxycitric Acid) as a Weight Loss Supplement: A Systematic Review and Meta-Analysis of Randomised Clinical Trials. Journal of Obesity, 2011, 509038. https://doi.org/10.1155/2011/509038
Valerian 4x
Valerian root extract at a 4:1 concentration of herb ratio is considered the most effective supplement due to its high concentration of valerenic acid and other active compounds. Valerenic acid is believed to increase the availability of the neurotransmitter gamma-aminobutyric acid (GABA) in the brain, leading to a calming effect on the nervous system.
Several clinical studies have shown that valerian root extract at a 4:1 concentration of herb ratio is effective in improving sleep quality and reducing symptoms of anxiety. For example,
- A double-blind, placebo-controlled study published in the journal Sleep found that participants who took valerian root extract at a 4:1 concentration of herb ratio experienced significant improvements in subjective sleep quality compared to those who took a placebo.
- Another randomized, double-blind, placebo-controlled study published in the journal Phytotherapy Research found that participants who took valerian root extract at a 4:1 concentration of herb ratio experienced significant reductions in symptoms of anxiety compared to those who took a placebo.
Overall, while more research is needed to fully understand the effects of valerian root extract at a 4:1 concentration of herb ratio, current clinical evidence suggests that it may be an effective supplement for improving sleep quality and reducing symptoms of anxiety.
References:
- Müller SF, Klement S. A combination of valerian and lemon balm is effective in the treatment of restlessness and dyssomnia in children. Phytomedicine. 2006;13(6):383-387. doi:10.1016/j.phymed.2006.01.013
- Donath F, Quispe S, Diefenbach K, et al. Critical evaluation of the effect of valerian extract on sleep structure and sleep quality. Pharmacopsychiatry. 2000;33(2):47-53. doi:10.1055/s-2000-7972
- Bent S, Padula A, Moore D, Patterson M, Mehling W. Valerian for Sleep: A Systematic Review and Meta-Analysis. Am J Med. 2006;119(12):1005-1012. doi:10.1016/j.amjmed.2006.02.026
- Cropley M, Cave Z, Ellis J, Middleton RW. Effectiveness of a herbal supplement (valerian) in reducing anxiety in university students. Phytother Res. 2002;16(7):650-654. doi:10.1002/ptr.1024
- Taibi DM, Bourguignon C, Gill Taylor A. A feasibility study of valerian extract for sleep disturbance in person with arthritis. Biol Res Nurs. 2009;10(4):409-417. doi:10.1177/1099800408323456
- Dimpfel W, Schombert L, Biller A. EEG-brainmapping during pharmacological tests with extracts of St. John's Wort (Hypericum perforatum L.) following oral administration of a single dose of valerian preparations with different valepotriate concentrations. Phytomedicine. 2003;10 Suppl 4:38-49. doi:10.1078/1433-187x-00309