GABA vs Ipamorelin for GH stimulation

  1. GABA vs Ipamorelin for GH stimulation

    I just recieved my IGF-1 LR3 and My Ipamorelin. Then, I read most of Grunts IGF-1 thread. There is so much conflicting information out there it is ridiculous.
    Anyway, I have been using GABA at 2-3G ED for years with a couple of short breaks every once in a while. When I take a break from it I notice a difference in my skin tone but not much else.

    How does Ipamorelin compare to GABA as a GH stimulator?

    Here is what I have found on GABA today. Everything at Pubmed for Ipamorelin was about rats.
    Growth hormone isoform responses to GABA ingestion at rest and after exercise.

    Powers ME, Yarrow JF, McCoy SC, Borst SE.

    Division of Athletic Training, Shenendoah University, Winchester, VA 22601, USA.


    Oral administration of the amino acid/inhibitory neurotransmitter gamma aminobutyric acid (GABA) reportedly elevates resting serum growth hormone (GH) concentrations.

    To test the hypothesis that GABA ingestion stimulates immunoreactive GH (irGH) and immunofunctional GH (ifGH) release at rest and that GABA augments the resistance exercise-induced irGH/ifGH responses.

    Eleven resistance-trained men (18-30 yr) participated in this randomized, double-blind, placebo-controlled, crossover study. During each experimental bout, participants ingested either 3 g of GABA or sucrose placebo (P), followed either by resting or resistance exercise sessions. Fasting venous blood samples were acquired immediately before and at 15, 30, 45, 60, 75, and 90 min after GABA or P ingestion and were assayed for irGH and ifGH.

    At rest, GABA ingestion elevated both irGH and ifGH compared with placebo. Specifically, peak concentrations of both hormones were elevated by about 400%, and the area under the curve (AUC) was elevated by about 375% (P < 0.05). Resistance exercise (EX-P) elevated time-point (15-60 min) irGH and ifGH concentrations compared with rest (P < 0.05). The combination of GABA and resistance exercise (EX-GABA) also elevated the peak, AUC, and the 15- to 60-min time-point irGH and ifGH responses compared with resting conditions (P < 0.05). Additionally, 200% greater irGH (P < 0.01) and 175% greater ifGH (P < 0.05) concentrations were observed in the EX-GABA than in the EX-P condition, 30 min after ingestion. GABA ingestion did not alter the irGH to ifGH ratio, and, under all conditions, ifGH represented approximately 50% of irGH.

    Our data indicate that ingested GABA elevates resting and postexercise irGH and ifGH concentrations. The extent to which irGH/ifGH secretion contributes to skeletal muscle hypertrophy is unknown, although augmenting the postexercise irGH/ifGH response may improve resistance training-induced muscular adaptations.

  2. Ipamorelin will beat the crap out of gaba. Its not as strong as ghrp2 or 6 but its definetly good stuff. Add some mod grf for some serious GH release

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