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Ultra concentrated testosterone booster – backed by science
The Ultimate Estrogen Blocker and Anti-Aromatase Formula. A-HD was designed to support increased testosterone production while minimizing estrogen activity. A-HD is a professional quality anti-aromatase product that supports a lean, dry, competitive looking physique.
What is A-HD?
Active compound #1: Research suggests that this novel lignin-class compound has anti-estrogenic supporting activity.
Active compound #2: Research suggests that this compound possesses powerful estrogen regulating properties via multiple mechanisms.
Specifically, this novel lignin-class compound has been suggested to inhibit aromatase, inhibit 3 ß-hydroxysteroid dehydrogenase and 17 ß-hydroxysteroid dehydrogenase, down-regulate 5 alpha-reductase, modulate tyrosine kinases as well as other protein kinases, and favourably modulate plasma free testosterone levels. Moreover, use of this compound prior to sustained physical exercise/exertion helps to reduce muscle damage via up-regulation of hepatic glutathione (GSH) levels and down-regulation of malodialdehyde (MDA) levels in skeletal muscle.
Active compound #3: Research suggests this novel stilbenoid-class compound, which is methylated, is markedly more efficiently metabolized than non-methylated stilbenoid-class compounds for activation of the SIRT1 gene, up-regulation of plasma free testosterone production via selective estrogen receptor (ER) modulation, inhibition of aromatase, enhanced glucose metabolization, and support healthy insulin sensitivity. As a methylated stilbenoid-class compound, this compound is not sulfated by P450 enzymes, which translates into significantly greater bio-activity.
Active compound #4: Research suggests that this phenolic-acid class compound exhibits bio-active androgenic activity via multiple pathways, such as marked down-regulation of malondialdehyde (MDA) levels, resulting in powerful potential up-regulating effects on plasma free testosterone and luteinizing hormone.
Research suggests that this remarkably active, powerful and specific phenolic acid-class compound may support healthy levels of prostaglandins, and inhibit 5-alpha-reductase (which down-regulates conversion to dihydrotestosterone) activity. Moreover, this compound acts as to support regulation of the estrogen receptor (ER).
Brand | BPI Sports |
Nutritional Information |
Serving Size: 1 Capsules
Servings Per Container: 28 Amount Per Serving: Niacin (As Nicotinic Acid, USP): 25mg Proprietary Blend: (250mg) (3s,4s)-4-[(3,4-Dimethoxyphenyl)methyl]-3-Hydroxy-3-[[3-Methoxy-4-[(2s,3r,4s,5r,6r)-3,4,5-Trihydroxy-6-(Hydroxymethyl)oxan-2-Yl]oxy-Phenyl]methyl]oxolan-2-One (2r,3r)-2,3-Bis[(4-Hydroxy-3-Methoxyphenyl)methyl]butane-1,4-Diol;(2r,3r,4s,5s,6r)-6-(Hydroxymethyl)oxane-2,3,4,5-Tetrol (S)-5-Hydroxy-1-(4-Hydroxy-3-Methoxyphenyl)-3-Decanone 4-[(E)-2-(3,5-Dimethoxyphenyl)ethenyl]phenol Phenethyl(E)-3-(3,4-Dihydroxyphenyl)prop-2-Enoate Standardized Phytochemical Complex: Cynara Cardunculus (Leaf); Curcoma Longa (Rhizome); Capsicum Annuum (Whole Plant); Pelargonium Graveolens (Whole Plant). Other Ingredients: Gelatin, Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide, Hypromellose, Polyvinylpyrrolidone, Maltodextrin, Stearic Acid, Capsicum Annuum, FD&C Blue #1, Titanium Dioxide. |
Directions | Take one (1) capsule daily, at the same time each day, or as directed by a qualified healthcare practitioner. For best results take four to eight (4-8) consecutive weeks (1-2 Cycles). Do not take this product longer than 8 consecutive weeks. A four (4) week break between cycles is recommended. |
Goal | Build Muscle |
Manufacturer's Suggested Retail Price | £54.99 |
Servings Per Container: 28
Amount Per Serving:
Niacin (As Nicotinic Acid, USP): 25mg
Proprietary Blend: (250mg)
(3s,4s)-4-[(3,4-Dimethoxyphenyl)methyl]-3-Hydroxy-3-[[3-Methoxy-4-[(2s,3r,4s,5r,6r)-3,4,5-Trihydroxy-6-(Hydroxymethyl)oxan-2-Yl]oxy-Phenyl]methyl]oxolan-2-One (2r,3r)-2,3-Bis[(4-Hydroxy-3-Methoxyphenyl)methyl]butane-1,4-Diol;(2r,3r,4s,5s,6r)-6-(Hydroxymethyl)oxane-2,3,4,5-Tetrol (S)-5-Hydroxy-1-(4-Hydroxy-3-Methoxyphenyl)-3-Decanone 4-[(E)-2-(3,5-Dimethoxyphenyl)ethenyl]phenol Phenethyl(E)-3-(3,4-Dihydroxyphenyl)prop-2-Enoate
Standardized Phytochemical Complex: Cynara Cardunculus (Leaf); Curcoma Longa (Rhizome); Capsicum Annuum (Whole Plant); Pelargonium Graveolens (Whole Plant).
Other Ingredients:
Gelatin, Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide, Hypromellose, Polyvinylpyrrolidone, Maltodextrin, Stearic Acid, Capsicum Annuum, FD&C Blue #1, Titanium Dioxide.
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Customer Reviews
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Kicks Ass!
Review by Ron
Price Value Quality Results Taste Best natural test booster ever. Can literally feel it suck the estrogen from my body. Tastes bad though and never have it without food. Only did that once and it made me sick for hours. (Posted on 06/10/2013)
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The best natural test booster
Review by Ben
Quality Results Taste Price Value Have tried many natty test boosters/estro blockers and been disappointed with almost all, but this works awesome. Feel a good increase in strength and aggression, feel very dry, and recovery is improved. Side effects are that it gives dry joints (a good sign of estrogen being supressed) and also be sure not to take on an empty stomach otherwise it feels like its going to burn a hole in your guts. Nice that its only one capsule a day also. Have used this both standalone and as PCT. (Posted on 13/06/2012)