Tomatoes - does that include tinned? And what about passata? And while we are at it, are frozen veg as good [or very nearly] as fresh? I'm particularly thinking of green veg like peas, broad beans, green beans. Fresh peas are a seasonal rarity, so are broad beans and green beans in supermarkets are often rather tired after their long trip from Kenya.
The AC-11 that Marcus mentioned for health is an extract from the Amazon jungle vine una de gato, and has been shown in laboratory and clinical trials to encourage DNA repair. The Mucuna pruriens he named for motivation is a legume that's a concentrated source of L-Dopa, which the body converts to the neurotransmitter dopamine. The Huperzia serrata Marcus selected for hunting is the same substance that induces lucid dreaming. This seems appropriate. While I felt the Alpha Brain helped my hunting, maybe I was dreaming. Or maybe a dream state of mind is good for hunting.

When asked if there’s a discrepancy between Qualia’s claims and that disclaimer, Dr. Stickler points out that products such as OS aren’t promising to treat or cure any diseases. That’s the line these companies can’t cross. They can claim their product makes you smarter or more focused without data from clinical trials, but they can’t claim their pill treats traumatic brain injury, ADHD, or Alzheimer’s.
A cup of coffee before a big exam can help your brain perform at its best. That’s because caffeine improves short-term memory and speeds up reaction times, according to New Scientist. Researchers from the National Institute on Aging found that individuals who drank more caffeine had better scores on memory tests, which explains why has been linked to a lowered risk of Alzheimer’s disease. It can also help prevent Parkinson’s disease and relieve headache pain. But don’t overdo it—too much caffeine can make you jumpy or irritable. Look out for the signs that you’re drinking too much coffee.
One of the most obscure -racetams around, coluracetam (Smarter Nootropics, Ceretropic, Isochroma) acts in a different way from piracetam - piracetam apparently attacks the breakdown of acetylcholine while coluracetam instead increases how much choline can be turned into useful acetylcholine. This apparently is a unique mechanism. A crazy Longecity user, ScienceGuy ponied up $16,000 (!) for a custom synthesis of 500g; he was experimenting with 10-80mg sublingual doses (the ranges in the original anti-depressive trials) and reported a laundry list of effects (as does Isochroma): primarily that it was anxiolytic and increased work stamina. Unfortunately for my stack, he claims it combines poorly with piracetam. He offered free 2g samples for regulars to test his claims. I asked & received some.
In 2011, as part of the Silk Road research, I ordered 10x100mg Modalert (5btc) from a seller. I also asked him about his sourcing, since if it was bad, it’d be valuable to me to know whether it was sourced from one of the vendors listed in my table. He replied, more or less, I get them from a large Far Eastern pharmaceuticals wholesaler. I think they’re probably the supplier for a number of the online pharmacies. 100mg seems likely to be too low, so I treated this shipment as 5 doses:
We felt that the price for this product was OK but were concerned about how cheap it was on some websites. Our experience suggests that this could reflect the standard of the product, it could be that the quality of ingredients is poor and the dosage low so that they can price cut, however, this leaves consumers having to take more to reach the same level as other products. This can lead to all sorts of issues regarding overdosing, so for these reasons, until further testing can be carried out, we could not place this higher on our score board.
Past noon, I began to feel better, but since I would be driving to errands around 4 PM, I decided to not risk it and take an hour-long nap, which went well, as did the driving. The evening was normal enough that I forgot I had stayed up the previous night, and indeed, I didn’t much feel like going to bed until past midnight. I then slept well, the Zeo giving me a 108 ZQ (not an all-time record, but still unusual).

For example, prenatal exposure to pthalates, which are chemical compounds that are commonly added to plastics to increase their durability and flexibility, have been linked tobehavioural abnormalities characterised by shortened attention span and impaired social interaction. Pthalates are an extensive group of chemicals, and whilst not all of them have been studied, several have shown to have negative health impacts. This class of chemicals is found abundantly and can find they can find their way into food packaging, cosmetics and household cleaners - making them virtually impossible to avoid. However, a growing awareness about the potential negative impact on health has led to the production of pthalate-free cosmetic and personal care products, as well as cleaning products. It may, therefore, be a significant step to try to avoid these chemicals by choosing products wisely, as well as trying to buy vegetables, fruit etc that haven’t been wrapped in plastic.
The use of prescription stimulants is especially prevalent among students.[9] Surveys suggest that 0.7–4.5% of German students have used cognitive enhancers in their lifetime.[10][11][12] Stimulants such as dimethylamylamine and methylphenidate are used on college campuses and by younger groups.[13] Based upon studies of self-reported illicit stimulant use, 5–35% of college students use diverted ADHD stimulants, which are primarily intended for performance enhancement rather than as recreational drugs.[14][15][16] Several factors positively and negatively influence an individual's willingness to use a drug for the purpose of enhancing cognitive performance. Among them are personal characteristics, drug characteristics, and characteristics of the social context.[10][11][17][18]