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Double R Labs

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Peptide Price

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New Mood “Peptide”
There’s a new peptide that I wanted to recommend to everyone. Forget Semax forget Selank forget what you thought you knew about mood enhancing peptides. I highly encourage you all to buy this new peptide called a “natty”. I had the good fortune last night to watch Indiana University win the national championship game and I am on a sustained high. Apologies to any Hurricanes fans out there, I’m sure the disappointment is pretty severe right now as a potential side effect of a natty is a 50% chance of severe depression. However, I can’t more highly recommend this one.
1 like • 6d
From an Ohio State fan, congrats on the great season and the natty
Cartalax effectiveness
Has anyone’s RS had positive results from researching cartalax?
L-Carnitine: The Mitochondrial Shuttle for Fat Oxidation 🛸🚀
Today's Deep Dive: L-Carnitine THE MAIN JOB: FAT TRANSPORT Your mitochondria produce energy. They can burn glucose or fat, but there's a problem: Fat molecules are too big to enter the mitochondria on their own. L-carnitine is the shuttle that carries fat across the mitochondrial membrane. The Process: 1. CPT1 enzyme attaches a fat molecule to carnitine outside the mitochondria 2. This complex crosses the membrane (something fat can't do alone) 3. CPT2 enzyme releases the fat inside where it gets burned for energy 4. Free carnitine goes back out to grab another fat molecule No carnitine = fat stuck outside your cells Optimal carnitine = fat getting burned CLEARS METABOLIC WASTE During intense training or fasting, acetyl-CoA builds up in your mitochondria. This buildup blocks energy production—like a traffic jam.L-carnitine binds to these acetyl groups and removes them, keeping your energy systems running smoothly.This is why it helps during fasted training or on low-carb diets. IMPROVES INSULIN SENSITIVITY By burning fat inside muscle cells, carnitine prevents fat accumulation in the muscle tissue. Fat buildup in muscles interferes with insulin signaling. Less fat in the muscle = better insulin response = better nutrient partitioning. Translation: More of what you eat goes to muscle, less to fat storage. INCREASES BLOOD FLOW L-carnitine boosts nitric oxide production, which dilates blood vessels. More blood flow = more oxygen and nutrients to muscles + better waste removal. BRAIN SUPPORT (ALCAR Specifically) Acetyl-L-carnitine crosses into the brain and: - Provides building blocks for acetylcholine (memory/focus neurotransmitter) - Protects neurons from oxidative damage - Supports mitochondrial function in brain cells WHY YOU MIGHT BE LOW Your body makes carnitine from lysine and methionine, but needs: - Vitamin C, B6, B3 - Iron If you're deficient in any of these, production drops. Also: - Vegans get almost no dietary carnitine (it's in red meat) - Production declines with age - Certain genetics limit synthesis
L-Carnitine: The Mitochondrial Shuttle for Fat Oxidation 🛸🚀
1 like • Nov '25
@Lana Stockwell most L-carnitine I’ve seen gives a mg/ml amount on the vial somewhere
NAD+ (side effects / reactions) ?
Let’s talk NAD+.. this morning i had a wild experience. I know @Derek Pruski you take it or took it i believe so please chime in if you can. Started NAD500 about 2 weeks ago. Started at a very low dose because i had read some people experience a rush, nausea (i don’t do nausea) and even 1-2 mins of breathing heavy (we will call it that). Today i finally dosed at 75mg which id call right in the middle 5am before work took the pep. Well.. well felt a little nauseous i was able to talk myself through it during my 45 min drive to work. I also experienced a tough time breathing - it’s hard to explain. Maybe i could explain it has tightness? Or as if i just ran a couple of miles? But, lastly, and what i didn’t expect is how badly i messed my stomach up it’s now 4:20m est time and my stomach is still a mess. It sent me to the bathroom in the morning as well. I had never experienced this before. So i was wondering if anyone else had any of these effects or other effects. Please share!
0 likes • Oct '25
@Roland Barrutia you say you dose 160-180mg, how often? Just curious because I’ve read many different suggested dosages and I’ve been dosing 100-150mg IM 2x per week. I haven’t really noticed much and have been kind of hesitant to increase my dose too much higher.
TB-4 vs TB-500
Does anyone know the difference between TB-500 and Thymosin Beta 4? I know TB 500 is synthetic and TB 4 is naturally occurring. Just curious if one is better than the other.
0 likes • Oct '25
@Brenda D I ordered when vendor had COA’s showing that it was actually TB4. So I ordered three 10mg vials. But when I got my vials they were from a previous COA and were just TB-500. That was only reason I ordered because I wanted TB4.
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Cory Crawford
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@cory-crawford-1639
Just looking for info

Active 12m ago
Joined Jul 31, 2025