msten, alpha, dimethandro... none are scheduled last I looked, which was like a week ago.
Just because a compound isn't scheduled, doesn't mean it can't technically be illegal. First, it has to fall under the DSHEA, which mandates the substance has to be found in a natural source. Like Vitamin C for example, it's found in fruits and vegetables and would be allowed under the DSHEA because it's found in nature, even though it may be sourced from a synthetic Vitamin C. The compounds you just listed are not found in nature in any form I'm aware. It's not found in any plant or animal or anything like that and therefore would be considered an 'adultered' chemical by the FDA's definition. Once a compound is declared adulterated, the compound has to be recalled and pulled from the market or the supplement company has to mount an expensive legal challenge against the FDA and the government to prove otherwise in a court of law. A good example of this is DMAA (aka 1,3-dimethylamylamine or Methylhexanamine).
Invalid Link Removed has a good overview of how all this went down and a history of what happened. But, to summarize, the FDA declared DMAA an adulterated supplement, even though USPLabs had studies claiming it was found in the geranium plant, but other labs and published studies said they couldn't find any traces of it in geranium.
HiTech Pharm sued the FDA and actually won and was allowed to start reselling DMAA again. But, in probably like 99% of the cases, when a supplement is declared adulterated, it's pulled from the market, never to be seen or heard from again (except on the black market maybe).
Invalid Link Removed (This is not a very good explanation of all the nuances of how the DHSEA is applied)
Then, in 2014 a new law was passed called DASCA (Designer Anabolic Steroid Control Act of 2014) to try and fix the loopholes supplement companies were using to sell AAS OTC. It banned a bunch of new prohormones and designer steroids and also classified anything that was metabolite of any of the primary male sex hormones from being sold.
Analogues of Listed Steroids Also Illegal.
DASCA criminalizes very close relatives of explicitly listed steroids. It says that “a drug or hormonal substance (other than estrogens, progestins, corticosteroids, and dehydroepiandrosterone) that is not listed … and is derived from, or has a chemical structure substantially similar to, 1 or more [listed] anabolic steroids [is considered an anabolic steroid] if … [it] has been created or manufactured with the intent of [promoting muscle growth or having pharmacological effects like testosterone or] has been, or is intended to be, marketed or otherwise promoted [to suggest it will promote muscle growth or have pharmacological effects like testosterone].” In other words, derivatives and slight variations on compounds which are on the list can violate the law if they are made or if they are marketed, or intended to be marketed, to build muscle or have effects like testosterone.
Mislabeling Provision.
DASCA introduces a whole new theory by which to prosecute steroid cases by making it a crime to import, export, manufacture, distribute, dispense, sell, offer to sell, or possess with intent to manufacture or sell any anabolic steroid, or any product containing an anabolic steroid, unless it bears a label clearly identifying the anabolic steroid by accepted (IUPAC) nomenclature. This provision would apply to manufacturers who use deceptive or “creative” ingredient labeling to conceal that the product is an anabolic steroid. It would also apply to distributors and retailers who know, intend, or have reasonable cause to believe that the product contains an anabolic steroid.
Shortcut to Adding New Compounds.
The Attorney General will be able to add new “designer” compounds to the list of anabolic steroids with greater ease and speed (with only 30 days’ notice for temporary scheduling).
Increased Penalties
Criminal penalties can be up to 10 years imprisonment and massive fines (up to $2.5 million on corporations). Civil penalties can be up to $500,000 per product violation for importers, exporters, manufacturers and distributors. Even retailers can be hit with a $25,000 penalty per product violation (and each package size, form, or differently labeled item is a separate product).
Source:
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So, this law puts anything that promotes muscle growth and is an androgen automatically illegal. This puts the DHEA analogues like 1DHEA (1-Andro), 1,4DHEA, 19-nor-DHEA in a weird position because it's derived from DHEA and should be technically allowed under DASCA, but it's not found in nature (AFAIK) making it illegal under DSHEA.
AFAIK, no one has been prosecuted under DASCA yet, so enforcement by the FDA/DEA/DOJ seems to be very lax. Even though many companies are selling these products on the open market, nothing has been done about it yet, other than the supplement companies getting very nervous about being prosecuted and voluntarily pulling their products from the market. That's why it's a good idea, if you like a certain compound to buy it now and stock up on it. If you keep it in your fridge, it can last for years beyond the expiration date. Some compounds were so popular, they'll eventually make their way to the black market where those who have the courage to buy and use them to buy them and use them. I've seen stuff like Superdrol, 1-testosterone, and methyl-1-testosterone on the black market in the past, proving there is enough demand for these drugs to still be sold.
So, in summary, even though these products are being openly sold on the market, doesn't mean they're legal in any way, shape or form.