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    • Testosterone Oils: Cottonseed vs Sesame Seed Oils

      Hi Vince. My name is Jasen and I have worked in a compounding pharmacy and have worked with compounders for roughly 8 years. Most manufactured testosterone injectables are suspended in cottonseed or sometimes sesame seed oil. Both of these oils are sterilized and pass USP standards, but they are indeed "cheaper" oils typically used in mass-produced testosterone. Compounding pharmacies can use any oil you and your physician requests, like grapeseed and sesame oils. The amount of the oil injected should not be a concern as it is such as small amount, which the body will metabolize, and it is sterilized of impurities. Unless you are allergic to the oil itself than I would not be concerned at all. If you are allergic to cottonseed than you will want to choose another oil to avoid a reaction.

      Although you did not ask about the difference between testosterone enanthate and cypionate, here is a link which discusses the different testosterone esters: http://defymedical.com/resources/hea...sterone-esters

      This article was originally published in forum thread: enanthate or cypionate
      Comments 6 Comments
      1. Jasen Bruce's Avatar
        Jasen Bruce -
        Hi Vince. My name is Jasen and I have worked in a compounding pharmacy and have worked with compounders for roughly 8 years. Most manufactured testosterone injectables are suspended in cottonseed or sometimes sesame seed oil. Both of these oils are sterilized and pass USP standards, but they are indeed "cheaper" oils typically used in mass produced testosterone. Compounding pharmacies can use any oil you and your physician request, like grapeseed and sesame oils. The amount of the oil injected should not be a concern as it is such as small amount, which the body will metabolize, and it is sterilized of impurities. Unless you are allergic to the oil itself than I would not be concerned at all. If you are allergic to cottonseed than you will want to choose another oil to avoid a reaction.

        Although you did not ask about the difference between testosterone enanthate and cypionate, here is a link which discusses the different testosterone esters: http://defymedical.com/resources/hea...sterone-esters
      1. Vince's Avatar
        Vince -
        Thanks for the post Jason. Very informative. I just feel that, even though the amount is small, cottonseed oil would not be the oil I would prefer. I just wouldn't feel comfortable because of it's possible affect on my lipid panel.
      1. Jasen Bruce's Avatar
        Jasen Bruce -
        Would your doctor be willing to write your prescription for a compounded testosterone? You can get both Cypionate and Enanthate in Grapeseed or sesame seed oil. The prescription should be written as follows:

        Testosterone Cypionate (or Enanthate) 200mg/ml X 10ml in grapeseed oil

        Most compounding pharmacies who make injectables can provide testosterone. There is also a pharmacy referral thread on this forum if you need it.
      1. Vince's Avatar
        Vince -
        Jason, thanks again. I will let my doctor know and we will see how it goes.
      1. Dava's Avatar
        Dava -
        I know this is old, but i swapped from regular t-enanthate to compounded cypionate and now get much less irritation and site pain...
      1. Vince's Avatar
        Vince -
        Quote Originally Posted by Dava View Post
        I know this is old, but i swapped from regular t-enanthate to compounded cypionate and now get much less irritation and site pain...
        Hi Dava, when I started TRT on December 4th 2014. I decided on grapeseed oil and I've continued using that type of oil with my testosterone Cypionate injections.
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