nutravitashop, what do you guys think?

roadglide

Member
Look reputable have a large eBay store and website. Says made in the USA, pharmaceutical grade. Many sups coming from China are probably contaminated as Hell. They have good prices. Some stuff is expensive. Way cheaper then Nutrakey.
 
Hmmm Just a quick look and a LOT of stuff is sold in BIG BULK QTY packaging. Powdercity.XXX carries bulk in smaller qtys, and from a quick look may be cheaper depending on what you are looking for... Another BULK site that I found is purebulk.xxx and it is similar also. There are many others out there... I would bet that the raw bulk material that these folks resale comes from the SAME manufacture. I have purchased some items from Powdercity based on being the lowest price I could find. I am not into designing my own sup program but I bet there are some folks here that can go deeper than I can. Just my 2 cents...
 
Hmmm Just a quick look and a LOT of stuff is sold in BIG BULK QTY packaging. Powdercity.XXX carries bulk in smaller qtys, and from a quick look may be cheaper depending on what you are looking for... Another BULK site that I found is purebulk.xxx and it is similar also. There are many others out there... I would bet that the raw bulk material that these folks resale comes from the SAME manufacture. I have purchased some items from Powdercity based on being the lowest price I could find. I am not into designing my own sup program but I bet there are some folks here that can go deeper than I can. Just my 2 cents...

Hey Orrin, do they say made in the USA? Are they pharmaceutical grade?
 
I can not find that stated.
They do identify a stringent QC program with testing to verify product. Now do they do what they say they do? Is there a way to verify one companies claim that all products are made in USA. For the most part you have to take them on their word unless there is substantial evidence that they are lying. Powdercity does post the testing results for each product and if there is an issue with testing labs not allowing web post, they will provide to you directly.
"Each sample goes through several tests. Different products undergo different analytical methods based on the product's chemical composition. A product's COA discloses which tests were performed. Certificates of Analysis (COA) are posted to the product page and provide a brief summary of the testing that was preformed."
CK there web site under "about" and their FAQ's.
 

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Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

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Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

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The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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