| Message: | Nolvadex (tamoxifen citrate) is very comparable to Clomid, behaves in the same manner in all tissues, and is a mixed estrogen agonist/antagonist of the same type as Clomid. The two molecules are also very similar in structure. It is not correct that Nolvadex reduces levels of estrogen: rather, it blocks estrogen from estrogen receptors and, in those tissues where it is an antagonist, causes the receptor to do nothing.
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The claim that Nolvadex reduces gains should not be taken too seriously. The fact is that any number of bodybuilders have made excellent gains while using Nolvadex.
The belief that it reduces gains seems to stem from the fact that the scientific literature reports a slight reduction in IGF-1 (individuals using anabolic steroids were not studied though) from use of Nolvadex.
Thus, Dan Duchaine reported that it reduces IGF-1 and therefore reduces gains. However, if this effect exists at all, it must be very minor, due to the excellent gains that many have made, and from the fact that no one has noticed any such thing from Clomid, which has the same activity profile.
The fact that Nolvadex will reduce water retention may result in the user agreeing that gains are less, since weight gain is less, thus reinforcing the bias.
COA
Product name
Tamoxifen citrate (Nolvadex)
Appearance
White crystalline powder
Identification
IR , UV conform
Conform
Loss on drying
≤0.5ml
0.21ml
Residue on ignition
Not more than 0.2%
0.06ml
Iron
Not more than 0.005%
0.0018%
Heavy metals
Not more than 0.001%
0.0006%
Related substances
Total: Not more than 1.0%
Individual: Not more than 0.5%
0.32%
0.14%
E-isomer
Not more than 0.3%
0.19%
Organic volatile impurities
Conforms
Conforms
Assay
99.0~101.0%
99.51% |
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