Todd Thomas

HGH belongs at night This is supposed to be controversial. It’s supposed to draw attention. But it’s true if we’re talking about what’s more optimal, and what makes the most sense, for someone who wants to run it long-term. I didn’t say convenient. Someone taking it in the morning because they can’t sleep on it is choosing convenience with a side of “this works for me.” That can still be the right call for them. It just isn’t the most optimal use of the compound. Your biggest natural GH pulse happens at night, tied to the first deep slow-wave sleep. In men, a large portion of daily output (often the majority) occurs early in sleep. That’s why protocols for GHRH analogs like CJC are commonly started at night when possible. The short pulse is less “punishing” long-term than exogenous GH, but the night preference is still there because it lines up with how the body is already set up, and because dosing some of them in the morning can mess with energy in ways people notice. With actual HGH you’re replacing. You’re completing the picture if you’re already on the other hormones. You’re not just poking a secretagogue and hoping for a pulse; you’re putting the hormone in yourself. Nighttime keeps that closer to how the body is wired to use it. A lot of videos and write-ups push morning dosing as “better for fat loss.” It has zero real advantage over nighttime for that. Literally zero beyond convenience if you can’t tolerate it at night. There is no magic extra fat burn from pinning when you wake up. GH doesn’t go to work the second the needle comes out. After a subcutaneous shot, levels typically peak in the 3-6 hour range (often around 4-5 hours depending on site and individual). That’s when lipolysis is ramping hard, free fatty acids rise after the first couple of hours and stay elevated for a good window after. So even if you ate something reasonably close to a nighttime dose, by the time the peak and the strong lipolytic window hit, your insulin is usually in a much better place. You’re fasted for hours while the strongest effect is playing out. You wake up with fatty acids already mobilized. Morning dosing flips that. People say “you’re already fasted when you wake up, so just pin and wait an hour.” But the peak and the strongest lipolysis aren’t happening in that first hour. They’re happening later, right as most people are eating breakfast and lunch. GH raises insulin resistance to a degree; it is counter-regulatory. Do you want that resistance peaking and playing out across your daytime meals, or largely while you’re sleeping and fasted? Just because you’re fasted at injection time doesn’t mean the work is done immediately. You’re more likely to be dealing with the insulin-resistance side of GH through the part of the day when you’re actually eating. It’s not the end of the world, you still get GH in you, but it is not superior for fat loss, and over time it is the less clean setup unless you stay strictly fasted for 5-8 hours after the morning shot. Most people are not doing that. Data on this lines up with the physiology. Evening dosing has been shown to produce higher peak GH levels, hold IGF-1 more steadily, and avoid the higher daytime insulin seen with morning dosing. Morning dosing has also been linked to higher markers of protein breakdown overnight. Total daily dose still matters more than the clock for body composition, but the single night dose is the cleaner physiological choice for most people. For the “set it and forget it/I want to run this forever and monitor it” approach, nighttime is the move. It matches the natural rhythm, manages the insulin side better for daily life, and keeps the lipolytic window in the long overnight fast. Different use cases exist, with higher performance doses where people split to avoid dumping too much at once (above roughly 5-6 IU for some), or pure IGF-1 chasing when stacked with TRT/AAS. Those are different goals. For longevity-range or steady use, night is the straightforward answer. If sleep is an issue, try to power through it for a stretch and let your body adjust if you can. It’s still the optimal window. Convenience is fine when you need it. Optimal is night.