The product itself has no published trial, so we go through HyperGH 14x ingredient by ingredient, drawing on NIH, Mayo Clinic and other public health sources.
With no published safety trial of HyperGH 14x, we have to judge it by what is in it. Roughly 4 grams a day of amino acids, Tribulus and GABA point to stomach upset, lightheadedness and drowsiness as the most probable effects. Interactions are a larger concern: L-arginine with nitrates, ED drugs and blood pressure medicine, plus the levodopa-containing Mucuna in the spray. Check with a doctor first if you take a prescription, and skip it if you are drug-tested.
Leading Edge Health sells HyperGH 14x as an "HGH releaser" for lifters and bodybuilders. It has no growth hormone in it, as the company's FAQ states directly. What it offers is daily tablets plus an oral spray, both made mostly of amino acids, meant to support your body's own growth hormone release. The routine is two tablets twice a day (morning or pre-workout, then at bedtime), with three sprays at each of those times.
As of October 2026, the official formulation page gives these tablet amounts under the heading "4,040 mg total per day":
| Ingredient | Amount listed | Key safety point |
|---|---|---|
| L-arginine | 520 mg | May lower blood pressure; interacts with nitrates and ED drugs |
| L-glutamine, L-glycine | 460 mg each | Side effects seen in studies |
| L-tyrosine, L-lysine | 400 mg each | Side effects seen in studies; little safety data at these doses in combination |
| Tribulus terrestris extract | 320 mg | Stomach upset; rare liver and kidney reports |
| Astragalus root extract | 240 mg | May interact with immunosuppressants |
| Deer antler velvet | 200 mg | May contain IGF-1, which is banned in tested sports |
| GABA | 200 mg | May lower blood pressure; drowsiness |
| Colostrum | 200 mg | Dairy-derived |
| L-valine, L-ornithine, phosphatidyl choline | 160, 100, 100 mg | Side effects seen in studies |
| Anterior pituitary powder | 120 mg | Animal gland extract; source not stated |
| GTF chromium | 0.4 mg | May add to the effect of diabetes drugs; may reduce levothyroxine absorption |
The listed amounts really total about 3,880 mg, not 4,040, and the page never explains the difference. They are also roughly four times what the official GenF20 Plus site lists for its tablets. Our GenF20 Plus vs HyperGH 14x breakdown compares the two.
Several amino acids appear in the oral spray, along with Alpha GPC, GABA, Mucuna pruriens seed extract, moomiyo extract and ornithine alpha-ketoglutarate. No amounts are given. Of these, Mucuna deserves the closest look, as we explain below.
No. We found no published clinical trial of HyperGH 14x. The "medical proof" page on the official site cites studies of prescription growth hormone injections and of growth hormone secretagogues in general, not of the product. That leaves no product-level safety data, so everything that follows rests on what is known about the individual ingredients.
The company's FAQ claims "no customer-reported side effects." Read that carefully: none reached the company, which is not the same as none existing. It also admits the company can't guarantee the product is safe for you, suggests asking a doctor first, and tells women who are pregnant, breastfeeding or planning a pregnancy not to use it.
A daily intake of four grams, mostly amino acids and herbs, puts real demand on the gut. Mayo Clinic names nausea, abdominal pain, diarrhea and bloating as possible L-arginine side effects. The NIH's LiverTox entry on Tribulus reports mild stomach discomfort and nausea. The only trial of the closely related GenF20 Plus formula was a 2015 study at much lower doses, and its side effects were mainly heartburn and stomach pain. Food with the tablets may help, and stopping should clear it up.
Both arginine and GABA can lower blood pressure. A United States Pharmacopeia safety review saw a temporary, moderate drop in blood pressure with GABA in some studies. For a healthy lifter this alone probably won't matter. Add dehydration after a tough session, a pre-workout containing its own vasodilators, or blood pressure medication, and you could end up dizzy.
Some studies link GABA to drowsiness and headache, which is partly why the second dose is meant for bedtime. Levodopa from Mucuna acts on dopamine, and the Dutch public health institute RIVM includes psychological symptoms among its possible effects.
In 2024, RIVM (the Dutch National Institute for Public Health and the Environment) warned about Mucuna supplements. Mucuna seeds naturally contain levodopa, which is also a Parkinson's disease medicine, and some supplements supply as much as, or more than, a Parkinson's patient's starting dose. RIVM listed possible stomach symptoms, involuntary movements and psychological effects. Women who are pregnant or breastfeeding, and anyone with liver or kidney problems, should avoid them.
The spray doesn't disclose its Mucuna amount, so we can't say how much is in a HyperGH 14x spray. A small spray dose suggests a modest levodopa content, but that is only a guess. On Parkinson's medication, an MAO inhibitor, an antidepressant or an antipsychotic? Check with your doctor or pharmacist before using the spray.
HyperGH 14x has not been tested for interactions, so take the ingredients' known interactions seriously:
Avoid HyperGH 14x, or get your doctor's approval first, if you:
Stop and seek medical help for chest pain, fainting, uncontrolled movements, severe stomach pain, yellow skin or eyes, or a widespread rash. Whether any benefit is worth weighing against these risks is the subject of our article on whether HyperGH 14x works.
Healthy adults who take no medication would most likely notice an upset stomach, lightheadedness or drowsiness, mainly from the 4-gram daily load of amino acids and herbs. The spray is the other unknown: it holds Mucuna, a source of levodopa, in an amount nobody discloses. Medication clashes are the main worry. Arginine can combine badly with nitrates, ED drugs and blood pressure medicine, and arginine plus chromium can do so with diabetes drugs. No clinical trial of the product exists, so the claim of "no customer-reported side effects" says nothing about safety. Tested athletes should skip it, given the deer antler velvet. If you use any prescription, ask your doctor first. See our HyperGH 14x review for muscle and recovery and our full product review for the rest.