r/Biohackers • u/EndAggravating5093 • 14h ago
🧠 Cognition, Mood & Nootropics What is THE MOST effective way at lowering cortisol and stress
I sleep good and I supplement magnesium glycinate and l theanine but it’s not enough, I need advice.
r/Biohackers • u/aldus-auden-odess • Jun 16 '26
Hello!
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r/Biohackers • u/RealJoshUniverse • 19d ago
r/Biohackers • u/EndAggravating5093 • 14h ago
I sleep good and I supplement magnesium glycinate and l theanine but it’s not enough, I need advice.
r/Biohackers • u/Puzzled-Caregiver-15 • 22h ago
Key Highlights:
- Exercise physically changes the heart's nerve connections. Researchers discovered that regular aerobic exercise reshapes the nerves responsible for controlling heart rate and activity.
- Just 10 weeks made a difference. Rats undergoing moderate aerobic exercise developed significant structural changes in nerve clusters that regulate the heart.
- The left and right sides responded differently. Exercised rats had approximately 4 times as many nerve cells on the right side as the left. Left-side nerve cells nearly doubled in size, while right-side cells became slightly smaller.
- Exercise may improve the heart's nervous system regulation. The findings suggest physical activity changes more than heart muscle, potentially influencing how the nervous system controls heart function.
- Potential for better heart treatments. Understanding these changes could eventually improve treatments for irregular heartbeats, certain types of chest pain, and stress-induced heart conditions.
- Important limitation: The research was conducted in rats, not humans. Scientists still need to determine whether similar changes occur in people and how they affect heart function.
Bottom Line
Regular aerobic exercise may do more than strengthen your heart. It may actually reshape the nervous system controlling your heartbeat. This discovery could help explain some of exercise's cardiovascular benefits, although the functional effects remain unproven.
r/Biohackers • u/EndAggravating5093 • 19h ago
So I’ve done a LOT of research about high quality sleep so here it is, in the simplest way I can put it.
I’m not going to blabber about circadian rhythm or anything bug like that even though I could go on forever, here is a simple but very effective nightly routine + a lil more.
For the example the bedtime will be 12pm and wake 8:30am, for an optimal 8.5 hours of sleep👌
10:30pm - take supplements
5-10mg melatonin
400mg elemental magnesium glycinate
400mg l theanine
(Mouth tape so you nasal breath)
Optional - glycine, Apigenin, and nasal spray on nights you can’t breath through your nose
11-11:30pm read whatever book you please, but it has to be in the dark with a red light.
11:30-12pm is when you close your eyes and try to fall asleep, from my experience I usually fall asleep pretty quickly.
Environment ‼️very very important‼️
You can do everything else right but if your room is too hot it isn’t worth it.
- I use a window unit to get my room between 60-67 degrees and you have to have a warm blanket because it being too cold can wake you up as well.
- also obviously you have to make sure it’s dark in your room and that’s pretty much it.
Note:
About the melatonin, melatonin is soooo fear mongered it’s not even funny, but if you do your research all the claims about say it messing up your natural production lowering your testosterone or whatever, there is no studies to back it up. , in some cases it’s the opposite.
In conclusion since I only said the basics all of this information is very important and it shouldn’t be skipped, and it even isn’t really a lot. And even tho if h there’s more to be said and more you could do if you just follow all I’ve said you’ll have really good sleep still.
And of course this is not medical advice.
r/Biohackers • u/ServeIllustrious3803 • 9h ago
r/Biohackers • u/Carriage2York • 20h ago
r/Biohackers • u/YappingBabbler • 11h ago
For a while I was drinking around 1–3 Vita Coco coconut waters every day, sometimes even more. Other than that, I mostly drink regular water and occasionally chocolate milk, protein drinks, and orange juice.
I kept having these random episodes where I’d suddenly feel dizzy/lightheaded, really gassy and bloated, and just generally weird or “off.” It wasn’t constant, which made it hard to figure out what was causing it.
After my last episode, I realized how much coconut water I’d been drinking and decided to completely stop. It’s been about two days now, and today I’ve felt AMAZING.
No dizziness, no bloating, no weird episodes, nothing.
I’ve also started drinking kefir instead and my stomach has been feeling much better.
Obviously I can’t say for sure that the coconut water was the cause, but now I’m wondering if drinking that much every day was messing with my stomach or electrolytes somehow.
Has anyone else experienced dizziness, bloating, gas, or just feeling “off” from drinking a lot of coconut water? Especially Vita Coco?
r/Biohackers • u/SignalNo8920 • 3h ago
Due to the pressure of work, I often toss and turn for 2 hours and can't fall asleep, which leads to my poor state the next day. I can't concentrate on my work and have been sleepy.
To fix this, I bought a sleep supplement that promises faster sleep. Last night, I got into bed at 10:30 PM. I could feel my brain getting quiet, and according to my Apple Watch, I was asleep by 10:35 PM. I fell asleep in just 5 minutes! I was thrilled.
But why am I still tired and awake? After trying this product for half a month, I still feel sleepy in my office, which makes me feel that the money is wasted, because it doesn't give me a restorative rest, but just makes me faint!
Do you have similar experiences?
r/Biohackers • u/ZenoWell • 7h ago
When two people use the same VNS device at the same intensity, it sounds as if they are receiving the same dose. They may not be.
The number shown on the device describes the electrical output, but not which nerve fibers were activated or what changed in the body.
The vagus nerve is not a single electrical cable. It contains multiple bundles of fibers connected to different organs and carrying different signals. Which fibers are activated depends on the person’s anatomy, electrode position, waveform, and device design.
This means two people using the same settings may not actually be receiving the same stimulation.
That is one of the most useful findings to emerge from the NIH SPARC program, which has invested more than $350 million in mapping peripheral nerves and developing more precise forms of neuromodulation.
Researchers found substantial differences between human, pig, and rat vagus nerves. Human vagus nerves also vary considerably from person to person, including nerve diameter, fascicle number, fascicle position, and the thickness of tissue surrounding the fibers.
Computer models suggest these differences can change which fibers an electrical pulse reaches. The same current and pulse width may stimulate one combination of fibers in one person and a different combination in someone else.
For someone using or comparing VNS devices, this has several practical implications:
SPARC researchers are now combining human nerve maps, computational simulations, implanted VNS data, and physiological recordings to connect three things that are usually discussed separately:
What stimulation was delivered, which fibers were recruited, and what changed in the body.
That could move neuromodulation away from trial-and-error programming.
A future closed-loop system might monitor heart rate, breathing, digestion, neural activity, or another relevant signal. It could then adjust stimulation according to the measured response instead of repeatedly delivering one fixed program.
The biggest shift is conceptual. The true dose of neuromodulation may not be the number shown on the device. It may be the specific neural and physiological response produced in that individual.
The next major advance in VNS may not be a stronger stimulator. It may be a way to verify which fibers were actually stimulated and what changed in the body.
Reference
Patel, B., Pikov, V., Damaser, M. S., et al. (2026). Accelerating the development of bioelectronic medicine: Outcomes and innovations from the NIH SPARC initiative. Bioelectronic Medicine, 12, 20. https://doi.org/10.1186/s42234-026-00213-z
SPARC Data and Resource Center: https://sparc.science
r/Biohackers • u/Sea_Mistake5015 • 3h ago
I've been looking at these "ultra" multivitamins lately, and I'm starting to feel like the ingredient lists are getting ridiculous. They brag about having 30 different fruits, veggies, and mushrooms, but when you look at the actual dosage on the back, it's like 10mg of a proprietary blend.
I know a lot of this stuff just ends up as expensive urine, but it got me wondering: which parts of a complex multi actually matter, and which parts are pure filler?
For example, if I see a multi with Magnesium Oxide instead of Magnesium Glycinate, I know it's probably cheap filler. But what about all those added "superfood" extracts? Are there any specific added ingredients (like certain forms of B vitamins, zinc, etc.) that you actually look for because you know they'll be absorbed? And which ones do you immediately recognize as a red flag that the company is just padding the label?
I'm trying to separate the genuinely useful compounds from the fairy dust. What are your personal "dealbreaker" or "must-have" ingredients when reading a multi label?
r/Biohackers • u/she_needs_weed • 16m left
r/Biohackers • u/Tiny_Restaurant4823 • 12h ago
Hi all,
I have a good sleep schedule and consistently get 7-8 hours per night but still ALWAYS feel groggy and sleepy in the mornings.
This has been going on for years now and I am desperate for a solution.
Any help is appreciated, happy to confirm any details
r/Biohackers • u/EndAggravating5093 • 14h ago
I realized my cortisol and stress was pretty high a little while back and I’ve reduced a lot of it my supplementing l theanine, magnesium glycinate and optimizing my sleep. But I want to lower it more.
r/Biohackers • u/R3muSxx • 11h ago
have heard mixed opinions but if you have the money for primo, is nandrolone still worth to add to the stack at a low dose (150-200mg) or do the sides always outweigh the positives?
r/Biohackers • u/chartreusemood • 1d ago
27F, Just wanted to share a personal story/warning. I know from the beginning before starting with vitamins and supplements, and even some peptides, I should’ve just gotten a full bloodwork panel done. I think I was in denial that there could be anything actually seriously wrong with me and just wanted to believe I just needed a magic supplement to fix everything.
For the last year or two I’ve felt like my brain has been disintegrating and I’ve become so stupid. I can’t even really explain it besides a feeling like I used to be much smarter and I don’t know when that changed. I thought maybe it was just humility coming with age possibly too. But nonetheless, I’ve tried so many supplements/protocols to try and help with my attention and memory. Nothing really helped and it’s just gotten worse and worse, and I became convinced that all along I’ve been so stupid and only just now recognized it.
Finally, last week I got a blood panel and thyroid work up and my levels are absolutely crazy, and it explains all my cognitive issues. The most embarrassing part is I had a graves flare up and diagnosis at 11, but after medication I went into remission at 14. I’ve been in denial ever since that it would ever come back or that I have a lifelong condition.
I apologize if this is too much of a personal vent. I know most of the people here are very smart and would not make the kind of decision I did to ignore important health screening before jumping straight to supplements. And I’m not blaming the supplements at all this is entirely my fault and I know that, but if there’s anyone out there who is desperately throwing supplements at something they cannot figure out, please try going to a doctor and getting a blood panel done.
And I know I’m privileged in figuring out the most likely cause for me, I know a lot of people here get blood work done and still can’t figure anything out. But just wanted to vent and share a word of caution to anyone else who might be in my shoes.
r/Biohackers • u/Tradovator • 13h ago
Hello everyone,
I've struggled with an elevated heart rate this year and figured that if I am to recover from whatever is causing it I should quit the nicotine pouches I've been on daily (10-15 pouches of 12-15 mg each) for years now. I quit cold turkey and it's now been 27 days.
Quitting went surprisingly well and I haven't missed it for a minute. My reduced health situation could be a factor.
While my baseline heart rate is lower (nicotine tends to spike your HR), I've had an increase in anxiety, anxiety attacks and depression after quitting. It's been terrible. Quite a few visits to the ER. The last week I've also been getting really sweaty hands and feet. Only after remembering what some other people have written on other forums in the past I started wondering and did a search.
For me, it would help a ton if this is the case as I really don't understand why I should be having this anxiety right now.
I quit in 2024, too, and can't recall it being like this, but maybe my health situation is different and it's also 2 1/2 years more of daily high nicotine doses.
According to a study from Yale it can take around 6-12 weeks before the brain is back to normal.
I'm just bringing this up for discussion and knowledge sharing. If I were to do it again, I would have tapered more and used a nicotine substitute for a while (patch perhaps).
Also curious if anyone has any idea if there's anything one can do to alleviate the withdrawal symptoms? I've even considered starting with a patch now just to see, but I'm not sure.
Emergency Psychiatric Effects of Nicotine Vaping Cessation: A Narrative Review - PMC
"Across study types, nicotine withdrawal is consistently associated with anxiety, irritability or agitation, depressed mood or anhedonia, sleep disturbance, and difficulty concentrating. In acute care environments, nicotine withdrawal has also been associated with agitation or delirium phenotypes in hospitalized and ICU populations. Furthermore, e-cigarette use has been linked to increased odds of suicidality and psychotic-like symptoms in some observational studies. Finally, case literature documents severe psychotic presentations that are temporally associated with e-cigarette use or nicotine withdrawal, although causality is difficult to establish."
Study shows unrelenting grip of nicotine withdrawal – UW–Madison News
"In one of those clusters, the withdrawal symptoms followed a predictable path of starting strong, then gradually declining. A second cluster reported a gradual increase in withdrawal severity over 60 days. A third cluster experienced a small improvement over two weeks, but then their symptoms leveled off and persisted.
Baker said the two “atypical” clusters experienced higher relapse rates than the first group. “Smokers who showed increasing or prolonged withdrawal had double or triple the risk of relapse as other patients,” he said.
The study also found that the “atypical” patterns are actually quite common. In the first study, 39 percent of subjects fell into the second or third clusters; in the second study, the number was 68 percent."
r/Biohackers • u/No-Fudge-1845 • 8h ago
Has anyone paired Dr Irwin’s NO booster with a 5mg tadalafil?
r/Biohackers • u/Medium_Leadership611 • 17h ago
I take 5mg Tadalafil occasionally, but the side effects on my head and cognitive function are really rough for one to two days. I experience heavy brain fog, sluggish thinking, and poor verbal recall as if my working memory is blocked. Along with that comes a mild headache combined with an annoying dull pressure behind my forehead and temples. Trying to clear this mental fatigue with caffeine did not help and only made me feel worse. Has anyone else dealt with this exact combo of brain fog and head pressure from low-dose Cialis, and did it ever go away for you?
r/Biohackers • u/Studio__yugen • 1d ago
He’s a chef so he comes home pretty late and too wired to fall asleep
He sleeps around 2am. Wakes up around 5am. Goes back to sleep around 7am. Then sleeps until 12pm. Then multiple long naps throughout the day.
This can’t be healthy. But I know he’s exhausted from laborious work.
He’s always complaining about his sleep but not sure what to do about it
But for some reason he thinks he slept well after all this.. but he’s already spent the whole day sleeping..
He also falls asleep so fast though, like sometimes in 5 min. Sometimes he falls asleep for 5 min and tells me he had a dream. Is that normal?
He sleeps in a cool dark room w eye mask, exercises regularly
Is there anything he can do to improve this even w his career?
r/Biohackers • u/ChampionshipFlat3235 • 21h ago
I am exploring the idea of adding PNC-27 to my stack. Having had renal cancer that was found incidentally and before it metastasized I am very aware of the lifetime risk of cancer. It has been almost 3 years now and my scans, as expected, have been clean.
The problem with this peptide is extremely strong evidence in vitro and in studies with mice but no human trials to date. Essentially it destroys cancer cells by selectively damaging the membrane of abnormal cells while ignoring healthy cells. I believe it could be a major breakthrough.
My questions are for anyone who has done a protocol: what is the typical dosage and schedule. I am aware of the woman who experienced hemorrhaging after heavy dosing but believe that could very well be anecdotal. Overall I think I am ready to give it a try as a preventative not a cure.
Thoughts and ideas are welcome please.
r/Biohackers • u/ppopik • 15h ago
All summer I went outside every morning for sunlight and honestly felt great. I slept better and needed less coffee.
Now it's dark until 7:30 and grey every day. Is 10 minutes outside under clouds still doing anything, or should I just get one of those SAD lamps?
What do you guys do in winter?
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By the way, full disclosure: I’m the developer of Soltide. I’m interested in how people adapt their light routines as winter approaches, since consistency gets much harder when mornings are dark. I’m building Soltide around this space, so this discussion is genuinely useful to me. If anyone’s curious, here’s the app: https://soltide.bypop.dev