So long as the recommended serving is followed, yes. The ingredients in Thyroid Support are mostly made up of minerals we ingest through the food we eat every day.
The herbs used also show a good track record of safety.
Tyrosine: L-tyrosine is Generally Recognized as Safe (GRAS) in the USA. When L-tyrosine is used orally and short term at a dose of ≤150 mg/kg or ≤12 g per day for up to three months is generally safe.
- CFR - Code of Federal Regulations Title 21. Accessdata.fda.gov. https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.320. Published 2020. Accessed July 4, 2020.
- Jongkees BJ, Hommel B, Kühn S, Colzato LS. Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands--A review. J Psychiatr Res. 2015;70:50-57. doi:10.1016/j.jpsychires.2015.08.014
Schizandra: In literature, Schizandra is said to have no side effects in humans.
- Nowak A, Zakłos-Szyda M, Błasiak J, Nowak A, Zhang Z, Zhang B. Potential of Schisandra chinensis (Turcz.) Baill. in Human Health and Nutrition: A Review of Current Knowledge and Therapeutic Perspectives. Nutrients. 2019;11(2):333. Published 2019 Feb 4. doi:10.3390/nu11020333
Ashwagandha: The only known case of a side effect was when the dosage was at 5,000 mg for 10 days, and caused a burning and itching sensation at the lower part of the body. The dosage used in Thyroid Support is 25x smaller.
Other human studies observed zero toxicity.
- Sehgal VN, Verma P, Bhattacharya SN. Fixed-drug eruption caused by ashwagandha (Withania somnifera): a widely used Ayurvedic drug. Skinmed. 2012;10(1):48-49.
- Owais M, Sharad KS, Shehbaz A, Saleemuddin M. Antibacterial efficacy of Withania somnifera (ashwagandha) an indigenous medicinal plant against experimental murine salmonellosis. Phytomedicine. 2005;12(3):229-235. doi:10.1016/j.phymed.2003.07.012
Bladderwrack: Researchers conclude Bladderwrack is incapable of inducing toxicity in doses of up to 1,350 mg per day. The dose we used for Thyroid Support is 27x smaller.
- Chung HJ, Jeun J, Houng SJ, Jun HJ, Kweon DK, Lee SJ. Toxicological evaluation of fucoidan from Undaria pinnatifidain vitro and in vivo. Phytother Res. 2010;24(7):1078-1083. doi:10.1002/ptr.3138
- Kim KJ, Lee OH, Lee HH, Lee BY. A 4-week repeated oral dose toxicity study of fucoidan from the Sporophyll of Undaria pinnatifida in Sprague-Dawley rats. Toxicology. 2010;267(1-3):154-158. doi:10.1016/j.tox.2009.11.007
Cayenne: Capsaicin holds a Generally Recognized as Safe (GRAS) title for usage in foods. Doses that showed side effects were at doses above 118 mg. Dose used in Thyroid Support is 4x smaller.
- Final report on the safety assessment of capsicum annuum extract, capsicum annuum fruit extract, capsicum annuum resin, capsicum annuum fruit powder, capsicum frutescens fruit, capsicum frutescens fruit extract, capsicum frutescens resin, and capsaicin. Int J Toxicol. 2007;26 Suppl 1:3-106. doi:10.1080/10915810601163939
Kelp: One gram of kelp contains 2,984 mcg of Iodine, which is 2000% of the recommended daily intake, an amount that could result in thyroid problems. However, the dose used in Thyroid Support is at a safe 30 mg, 33x smaller and amounts to only 60% of the recommended daily intake of Iodine.
- Office of Dietary Supplements - Iodine. Ods.od.nih.gov. https://ods.od.nih.gov/factsheets/Iodine-HealthProfessional/#h3. Published 2020. Accessed July 4, 2020.
To order this product, please check this link - https://thyroidfactor.com/get-free-thyroid-support/