I purchased this supplement at a discounted price on Amazon...
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Irwin Naturals is one of my favorite brand of supplements on the market. They consistently produce high-quality supplements - that are fast acting and well-absorbed (due to liquid capsules). They were established in 1994 [1].
Other than this product, I've tried (and reviewed) the following supplements from them.
Other Facts About the Company
- Their supplements are (also) sold in Wegmans and many health food stores.
- They include Bioperine (Black Pepper Extract) in most of their supplements which enhances the potency of the supplements; making them superior to regular capsules and tablets.
- They are not unreasonably expensive; most of their products are actually LESS expensive than other comparable products that feature liquid capsules.
:::My Experiences:::
- The supplement did give me a quick burst in energy taking 2 capsules at first. I did not exceed that dose right away. I noticed first a sense of mental clarity - after about 15 minutes of taking the supplement, that slowly transformed into a slight sense of motivation and a "pick-me-up" effect that made me more in-tune with my environment. Lights around me were more noticeable and the lights in the Fire Department where I was volunteering and smells were more noticeable.
- I noticed improved endurance when doing both regular and weighted push-ups - the energy to do push-ups was there but my muscles also felt more enduring. I was able to do more burn-outs as well, and I found that I was able to do 10 extra sets of burn-outs on the 2nd day of taking the pills.
- I was able to finish a paper for school in a shorter amount of time - I was more attentive & alert, and less distracted. It seems to have some mild anti-ADHD effects.
- After the 5th day (straight) of taking the supplement - I noticed (slightly) improved creativity. Some of the video's I made - I added more sophisticated last minute improvisations.
- I noticed improved verbal fluency (memory) - my ability to recall names was also better - although that could be (likely is) due to enhanced attention.
- I noticed that my reflexes were better - and a day punching the punching bag at the Gym - was a lot more focused (and productive)...my endurance and ability to catch my breath was way better than usual on the 7th day taking the supplement.
- I noticed my excitement for upcoming projects & work assignments was definitely more, than usual. Its interesting how an "energy supplement" is able to influence these aspects of my Mood.
- I noticed better memory with memorizing new driving directions.
- I noticed more Alertness overall, and less tiredness by evening time.
- I noticed a MAXIMAL amount of focus on the Bench - more so after the 10th day of taking the supplement.
:::MY THEORIES:::
- While the energizing effects of this supplement are most likely attributable to the Yerba Mate extract [2] - the alerting effects are more than likely the result of the Schizandra Extract in the product [3]. Shizandra raises Dopamine in the Brain - and does so directly [4]. Dopamine improves alertness/vigilance [5] [6], attention [7] [8] and Mood [9]. It is a powerful natural anti-depressant [10] [11].
- The Goji Berry extract is likely responsible for the enhanced endurance [12] - and (partly) the improved energy [13] and it would improve muscle health by protecting the cells in the muscles from damage [14].
- The Vitamin B12; especially being the "methylcobalamin" form is also responsible for improved Energy Levels on the supplement [15].
- Lastly, the Flax Seed Oil - given it would up the levels of Omega-3's in the Brain [16] - probably improves Focus/Attention [17], Energy [18] and Mood [19] - but to a lesser degree than the other ingredients.
Irwin Naturals - Yerba Mate Energy FULL LOG
- Day 1: Took two capsules this morning, also chose not to drink a cup of morning Coffee - this morning. The energy effects hit about 15 minutes later. I went for a Jog down the road from my work and noticed that upon getting to work - I had more pep in my step. I noticed improved alertness - on the office computer. My focus was definitely greater than usual.
- Day 2: Took 2 capsules, this time in the afternoon - a went on to do Push-Ups today - noticed a little bit enhanced endurance - and definitely my Muscles felt more enduring, today. They did not get sore as easily and I was able to push out more sets, today.
- Day 3: Today - I noticed an improved sense of stimulation from this product - the lights and smells of the Fire Station - where I volunteer at were more noticeable. The office smells (fresh copy paper) and other things like people's Colognes & Perfumes, were more noticeable.
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