Evidence for this role of oxytocin come from two types of experiments. First, infusion of oxytocin into the ventricles of the brain of virgin rats or non-pregnant sheep rapidly induces maternal behavior. Second, administration into the brain of antibodies that neutralize oxytocin or of oxytocin antagonists will prevent mother rats from accepting their pups. Other studies support the contention that this behavioral effect of oxytocin is broadly applicable among mammals.
When combined with antidepressants of the MAOI or SSRI class, very high parenteral doses of 5-HTP can cause acute serotonin syndrome in rats. It is unclear if such findings have clinical relevance, as most drugs will cause serious adverse events or death in rodents at very high doses. In humans 5-HTP has never been clinically associated with serotonin syndrome, although 5-HTP can precipitate mania when added to an MAOI.
Provide a record of any correspondence between ASADA staff and the World Anti-Doping Authority containing the keywords: "Thymosin", "Thymosin Beta 4", "TB-500", "TB500", "TB4" or "Thymomodulin" between June 2011 and September 2013. Provide audit logs showing the date upon which Thymosin Beta 4 was published as a banned substance on the check your substances website. Provide a log of all receipts (provided online or by telephone) given to athletes in response to requests containing the keywords "Thymosin", "Thymosin Beta 4", "TB-500", "TB500", "TB4" or "Thymomodulin" between June 2011 and September 2013.
In November 2008, the UK Medicines and Healthcare products Regulatory Agency (MHRA) warned the public against melanotan use stating it was an unlicensed medicine that may not be safe. As such, it is illegal to market or supply this product in the UK due to its unlicensed nature. Additionally the MHRA warned 18 companies about selling or advertising the product and closed down 72 websites involving melanotan. By 2013, the MHRA had received 18 reports of 74 separate reactions to the products and reactions have involved stomach and heart problems, as well as blood and eye disorders.
Thymosin beta-4 is a very large molecule. In fact, it is so large that it cannot fit entirely into the receptor. Different sections of the molecule have different activities. TB-500 is the part of thymosin beta-4 hormone which promotes the most useful effects (overall healing, repair, new blood and muscle cells). For medical applications it is more practical to use the TB-500 instead of the entire Thymosin Beta-4 protein.
The first bit of evidence that points to oxytocin as nature’s love glue comes from researchers who measured the hormone in couples. Psychology professor Ruth Feldman at Bar-Ilan University in Israel, spent years studying oxytocin’s role in the mother–child bond and recently decided to dive into the uncharted waters of romantic bonds by comparing oxytocin levels in new lovers and singles. “The increase in oxytocin during the period of falling in love was the highest that we ever found,” she says of a study she and her colleagues published in Psychoneuroendocrinology. New lovers had double the amount Feldman usually sees in pregnant women.
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Oxytocin production does not exist separately from the evolved neurophysiological mechanisms that regulate gonadotropin releasing hormone (GnRH) pulsatility. There are mammalian pheromones that are known to directly influence the GnRH pulse, for example androstenol. Oxytocin is not considered to be a pheromone by anyone I know who is involved in olfactory research. Sniffing it is simply a delivery method that we now can see might have negative consequences.
The vascular system in the normal adult brain is stable, but is activated in response to certain pathological conditions including injuries.68 Von Willebrand factor (vWF) staining has been used to identify vascular structure in the brain after TBI.69 TBI alone significantly increased vascular density in the injured cortex, CA3, and DG of the ipsilateral hemisphere when examined at day 35 after TBI compared to sham controls.18,34,64,65 Tβ4 treatment significantly increased the vascular density in these regions compared to saline treatment.34 This is in agreement with in vitro and in vivo pro-angiogenic effect of Tβ4.70,71
Oxytocin and vasopressin are the only known hormones released by the human posterior pituitary gland to act at a distance. However, oxytocin neurons make other peptides, including corticotropin-releasing hormone (CRH) and dynorphin, for example, that act locally. The magnocellular neurons that make oxytocin are adjacent to magnocellular neurons that make vasopressin, and are similar in many respects.
Nature has been very clever in a way. Without oxytocin, you know, babies are what they really are - I probably shouldn't say this on TV - but noisy, smelly animals that don't actually do anything useful. And, um, that's what oxytocin does. It gives them a special salience, a special beauty and allows us to bond with these defenceless little animals.
5-HTP is POSSIBLY SAFE when taking by mouth appropriately. 5-HTP has been used safely in doses up to 400 mg daily for up to one year. However, some people who have taken it have developed a condition called eosinophilia-myalgia syndrome (EMS), a serious condition involving extreme muscle tenderness (myalgia) and blood abnormalities (eosinophilia). Some people think EMS might be caused by an accidental ingredient or contaminant in some 5-HTP products. However, there is not enough scientific evidence to know if EMS is caused by 5-HTP, a contaminant, or some other factor. Until more is known, 5-HTP should be used cautiously.
But long before that, say researchers, oxytocin could use a rebranding. “It doesn't induce love; it doesn't induce massive amounts of trust,” Guastella says. “The problem we've got ourselves into is that we're trying to look for a simple answer: either oxytocin does or does not work in a patient population, or it does or does not enhance a certain social process.”
People are using 5-HTP for absolutely everything from sleep disorders to OCD symptoms. After asking people in mental health Facebook groups whether they used it and why, I was inundated with responses. Sach Tennant, from London, takes it for her PMDD (premenstrual dysphoric disorder). "I only take it when I feel low and it only takes one hour to feel calm," she told me. "This month I only needed one to feel better. I don't get the zombie antidepressant feeling – you still have your emotions. Sleep is good on it. I used to have an inner voice that was male and used to bully me during PMT time. Noises seemed too loud, even like somebody eating a bag of crisps. Topping up with 5-HTP has stopped all this."
Oxytocin was also correlated with the longevity of a relationship. Couples with the highest levels were the ones still together six months later. They were also more attuned to each other than the low-oxytocin couples when Feldman asked them to talk about a shared positive experience. The high-oxytocin couples finished each other’s sentences, laughed together and touched each other more often. Feldman says it’s still not clear whether oxytocin was responsible for the stability of the couple’s bond six months later or if couples who weren’t as connected failed to trigger the oxytocin system.
But like most peptides on the market, TB-500 has limited long term studies involving human use. Although I haven’t personally used TB-500 (I can’t, since I compete in WADA sanctioned sports like triathlon and obstacle course racing), from what I’ve seen and heard from bodybuilders and athletes using the peptide, the primary side effect is a temporary sense of lethargy. Also, some people report getting a head rush when injecting TB-500, but report this head rush goes away a few minutes after injecting.
“L-5-Hydroxytryptophan significantly reduced the reaction to the panic challenge in panic disorder patients, regarding subjective anxiety, panic symptom score and number of panic attacks, as opposed to placebo. No such effect was observed in the healthy volunteers. L-5-Hydroxytryptophan acts to inhibit panic, which supports a modulatory role of serotonin in panic disorder.”
Actual injection can be done Subq or IM that is - subcutaneous or intramuscular. Injection site does not matter, there is no one site better than others so use one which is more comfortabe to reach, after injection product is absorbed into bloodstream and spread through the body evenly. Subq injection takes place by pinching the skin loose from the muscle and raising it so the needle can be inserted in the fat layer of skin.
Recent preclinical studies by us and others have revealed that endogenous neurorestoration is present after TBI, including neurogenesis, axonal sprouting, synaptogenesis, and angiogenesis, which may contribute to the spontaneous functional recovery.13-18 In addition, treatments that promote these neurorestorative processes have been demonstrated to improve functional recovery after brain injury.19,20 However, clinical trials in TBI have primarily targeted neuroprotection, and trials directed specifically at neurorestoration have not been conducted. The essential difference between neuroprotective and neurorestorative treatments is that the former target the lesion that is still not irreversibly injured and the latter treat the intact tissue.19 Thus, neurorestorative treatments can be made available for a larger number of TBI patients.
There is a possibility Melanotan may some day present a viable solution to achieving a “healthy tan” in line with current western beauty ideals. But it also creates new forms of risk concerning needle safety, unsettling patient-practitioner relationships via unregulated use, and the subversion of public health messages that groups such as Cancer Council Australia have worked for decades to promote.
Anxiety. Evidence on the effects of 5-HTP for anxiety is unclear. Early research shows that taking 25-150 mg of 5-HTP by mouth daily along with carbidopa seems to reduce anxiety symptoms in people with anxiety disorders. However, other early research shows that taking higher doses of 5-HTP, 225 mg daily or more, seems to make anxiety worse. Also, taking 60 mg of 5-HTP daily through the vein does not reduce anxiety in people with panic disorders.