More Research Support the Potentials of Spartagen-XT Formula

All the major ingredients in the Spartagen-XT formula are solidly supported by external research and scientific evidence. But first, you may like to note that FDA does not (and is not required by law to) directly review and validate the effectiveness of dietary supplements before they’re shipped to the market. Thus the potency of Spartagen-XT formula has not been verified by the FDA.

 

Take a look at one interesting question and answer culled from the FDA’s website regarding this issue:

 

Do manufacturers or distributors of dietary supplements have to tell FDA or consumers what evidence they have about their product's safety or what evidence they have to back up the claims they are making for them?

No, except for rules described above that govern "new dietary ingredients," there is no provision under any law or regulation that FDA enforces that requires a firm to disclose to FDA or consumers the information they have about the safety or purported benefits of their dietary supplement products. Likewise, there is no prohibition against them making this information available either to FDA or to their customers. It is up to each firm to set its own policy on disclosure of such information. For more information, see claims that can be made for dietary supplements at Dietary Supplements - Adverse Event Reporting.

 

(You may also see the complete list of FDA’s frequently asked questions and answers regarding dietary supplements here).

 

In summary, dietary supplements do not require validations from FDA. However, the effectiveness of the eleven natural ingredients used in the Spartagen-XT formula has been backed by several scientific evidence and expert opinion.

 

Some Scientific Evidence and Expert Opinion Supporting the Potentials of the Spartagen-XT Formula

 

Following are tables highlighting the individual ingredients used in the Spartagen-XT formula. It also shows some effects of each individual ingredient, including some of the scientific papers and expert opinions that back them.

 

Supporting Evidence Table 1:

 

HERBS
INGREDIENTEFFECTSEXPERT OPINIONSCIENTIFIC EVIDENCE
Tongkat AliLibido, Performance, Drive, Energy, Bodybuilding1."Eurycoma Longifolia Jack - Scientific Review on ... - Examine.com." 2015. 1 Jul. 2016 https://examine.com/supplements/eurycoma-longifolia-jack/1. Talbott, SM. "Effect of Tongkat Ali on stress hormones and psychological mood - NCBI." 2013. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3669033/

2. Tambi, M. "Standardised water-soluble extract of Eurycoma ... - Wiley Online Library." 2012. http://onlinelibrary.wiley.com/doi/10.1111/j.1439-0272.2011.01168.x/abstract

3. Ang, HH. "Eurycoma longifolia Jack enhances sexual motivation in ... - NCBI." 2003. http://www.ncbi.nlm.nih.gov/pubmed/14964739

4. Tambi, MI. "Eurycoma longifolia Jack in managing idiopathic male infertility. - NCBI." 2010. http://www.ncbi.nlm.nih.gov/pubmed/20348942
MacaEnergy, Performance, Libido, Drive.2."Maca - Scientific Review on Usage, Dosage, Side Effects | Examine.com." 2015. 1 Jul. 2016 https://examine.com/supplements/maca/

3."MACA: Uses, Side Effects, Interactions and Warnings - WebMD." 2016. 1 Jul. 2016 http://www.webmd.com/vitamins-supplements/ingredientmono-555-maca.aspx?activeingredientid=555&
5. Gonzales, GF. "Ethnobiology and Ethnopharmacology of Lepidium meyenii ... - NCBI." 2012. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3184420/

6. Gonzales, GF. "Effect of Lepidium meyenii (MACA) on sexual desire and its ... - NCBI." 2002. http://www.ncbi.nlm.nih.gov/pubmed/12472620

7. Dording, CM. "A double-blind, randomized, pilot dose-finding study of maca root - NCBI." 2008. http://www.ncbi.nlm.nih.gov/pubmed/18801111

8. Meissner, HO. "Hormone-Balancing Effect of Pre-Gelatinized Organic Maca - NCBI." 2006. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3614604/
Butea SuperbaLibido, Performance.4. Chaiyasit, K. "Hyperandrogenemia due to ingestion of Butea superba - NCBI." 2012. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3354878/9. Goswami, SK. "Erectogenic and Aphrodisiac Effects of Butea frondosa Koenig ex ..." 2013. http://www.hindawi.com/journals/ecam/2013/874894/
Asian GinsengPerformance, Libido, Drive, Energy.5. "Asian ginseng | University of Maryland Medical Center." 2013. 1 Jul. 2016 http://umm.edu/health/medical/altmed/herb/asian-ginseng10. Murphy, LL. "Ginseng, sex behavior, and nitric oxide. - NCBI." 2002. http://www.ncbi.nlm.nih.gov/pubmed/12076988

11. Cho, KS. "Effects of Korean ginseng berry extract (GB0710) on penile ... - NCBI." 2013. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3739245/

12. Jang, DJ. "Red ginseng for treating erectile dysfunction: a systematic review - NCBI." 2008. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2561113/
TribulusPerformance, Libido, Drive.6. "Tribulus Terrestris: Uses and Risks - WebMD." 2013. 27 Jun. 2016 http://www.webmd.com/vitamins-and-supplements/tribulus-terrestris-uses-and-risks

7. "Testosterone Booster - Scientific Review on Usage ... - Examine.com." 2015. 28 Jun. 2016 https://examine.com/supplements/testosterone-booster/
13. Sellandi, TM. "Clinical study of Tribulus terrestris Linn. in Oligozoospermia: A ... - NCBI." 2012. http://www.ncbi.nlm.nih.gov/pubmed/23723641
ChrysineBodybuilding, Performance, Drive, Energy.8. Kellis, JT. "Inhibition of human estrogen synthetase (aromatase) by flavones ..." 1984. http://science.sciencemag.org/content/225/4666/103214. van Meeuwen, JA. "(Anti)estrogenic effects of phytochemicals on ... - ScienceDirect.com." 2007. http://www.sciencedirect.com/science/article/pii/S0041008X07001342
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Supporting Evidence Table 2:

 

VITAMINS
INGREDIENTEFFECTSEXPERT OPINIONSCIENTIFIC EVIDENCE
Vitamin DBodybuilding, Performance, Drive,9. "Vitamin D: Health Benefits, Facts and Research - Medical News Today." 2009. 28 Jun. 2016 http://www.medicalnewstoday.com/articles/161618.php15. Holick, MF. "Vitamin D deficiency: a worldwide problem with health ... - NCBI." 2008. http://www.ncbi.nlm.nih.gov/pubmed/18400738

16. Anglin, RE. "Vitamin D deficiency and depression in adults: systematic ... - NCBI." 2013. http://www.ncbi.nlm.nih.gov/pubmed/23377209

17. Wilkins, CH. "Vitamin D Deficiency Is Associated with Low Mood and Worse - NCBI." 2006. http://www.ncbi.nlm.nih.gov/pubmed/17138809
Vitamin EBodybuilding, Performance10. "VITAMIN E: Uses, Side Effects, Interactions and Warnings - WebMD." 29 Jun. 2016 http://www.webmd.com/vitamins-supplements/ingredientmono-954-vitamin%20e.aspx?activeingredientid=954&18. Takanami, Y. "Vitamin E supplementation and endurance exercise: are there ... - NCBI." 2000. http://www.ncbi.nlm.nih.gov/pubmed/10701711

19. Pekmezci, D. "Vitamin E and immunity. - NCBI." 2011. http://www.ncbi.nlm.nih.gov/pubmed/21419272
Vitamin B6Energy, Bodybuilding, Performance.11. "PYRIDOXINE VITAMIN B6: Uses, Side Effects, Interactions - WebMD." 2016. 29 Jun. 2016 http://www.webmd.com/vitamins-supplements/ingredientmono-934-pyridoxine%20vitamin%20b6.aspx?activeingredientid=934&

12. "The Benefits of Vitamin B6 | Everyday Health." 2010. 29 Jun. 2016 http://www.everydayhealth.com/diet-nutrition/benefits-of-vitamin-b6.aspx
20. Oka, T. "Modulation of gene expression by vitamin B6. - NCBI." 2001. http://www.ncbi.nlm.nih.gov/pubmed/19087426

21. Spinneker, A. "Vitamin B6 status, deficiency and its consequences--an overview. - NCBI." 2007. http://www.ncbi.nlm.nih.gov/pubmed/17260529
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Supporting Evidence Table 3:

 

MINERALS
INGREDIENTEFFECTSEXPERT OPINIONSCIENTIFIC EVIDENCE
ZincBodybuilding13. "ZINC: Uses, Side Effects, Interactions and Warnings - WebMD." 2014. 29 Jun. 2016 http://www.webmd.com/vitamins-supplements/ingredientmono-982-zinc.aspx?activeingredientid=982

14. "Zinc — Health Professional Fact Sheet - Office of Dietary Supplements." 2015. 29 Jun. 2016 https://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/
22. Prasad, AS. "Zinc is an Antioxidant and Anti-Inflammatory Agent: Its Role in ... - NCBI." 2014. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4429650/

23. De Paula, RCS. "Low zinc levels is associated with increased ... - ScienceDirect." 2014. http://www.sciencedirect.com/science/article/pii/S2214647414000129

24. Prasad, AS. "Zinc status and serum testosterone levels of healthy adults. - NCBI." 1996. http://www.ncbi.nlm.nih.gov/pubmed/8875519

25. Prasad, AS. "Impact of the discovery of human zinc deficiency on health. - NCBI." 2009. http://www.ncbi.nlm.nih.gov/pubmed/20150599
MagnesiumEnergy, Bodybuilding, Performance15. "Magnesium — Health Professional Fact Sheet." 2015. 29 Jun. 2016 https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/

16. "Magnesium: Health Benefits, Facts, Research - Medical News Today." 2014. 29 Jun. 2016 http://www.medicalnewstoday.com/articles/286839.php

17. "MAGNESIUM: Uses, Side Effects, Interactions and Warnings - WebMD." 2014. 29 Jun. 2016 http://www.webmd.com/vitamins-supplements/ingredientmono-998-magnesium.aspx?activeingredientid=998

18. "10 Evidence-Based Health Benefits of Magnesium - Authority Nutrition." 2016. 29 Jun. 2016 https://authoritynutrition.com/10-proven-magnesium-benefits/
26. Monarca, S. "Review of epidemiological studies on drinking water hardness - NCBI." 2006. http://www.ncbi.nlm.nih.gov/pubmed/16874137

27. Galland, L. "Magnesium, stress and neuropsychiatric disorders. - NCBI." 1991. http://www.ncbi.nlm.nih.gov/pubmed/1844561

28. Rude, RK. "Skeletal and hormonal effects of magnesium deficiency. - NCBI." 2009. http://www.ncbi.nlm.nih.gov/pubmed/19828898

29. Nielsen, FH. "Update on the relationship between magnesium and exercise. - NCBI." 2006. http://www.ncbi.nlm.nih.gov/pubmed/17172008

30. Guasch-Ferré, M. "Dietary magnesium intake is inversely associated with mortality ... - NCBI." 2014. http://www.ncbi.nlm.nih.gov/pubmed/24259558
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