MetRx Amino 3000, 180 caplets Unflavoured
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- Poweful blend of 3 branched chain of AAs
- Boosts Energy
Poweful blend of 3 branched chain of AAs
An extreme and potent mix of all the 3 branched chain of AAs together with other vital aminos to help the body build protein.
|Serving Size 3 Caplets||Amount per Serving||% Daily Value|
| * Percent Daily Values are based on a 2,000 calorie diet
** Daily Value not established
| Other Ingredients
Hydrolyzed Gelatin (Collagen), Cellulose (Plant Origin), Dicalcium Phosphate, Croscarmellose, Silica, Ascorbic Acid, L-Ornithine Hydrochloride, Vegetable Stearic Acid,
Vegetable Magnesium Stearate.
| How to use
For adults, take two (2) to three (3) caplets on an empty stomach before your workout. As a reminder, discuss the supplements and medications you take with your health care providers.
|Allergen Information/Warning: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur. Not intended for use by persons under the age of 18.|
BCAAs can be taken at any time during the day, preferably on an empty stomach to avoid competition for absorption with other amino acids. Although the most beneficial time to take the BCAAs are directly before or just after training. One study used approximately 3400 mg of Leucine for a 170 pound man for recovery and tissue synthesis for lean individuals needing to build muscle. This study used Whey protein mixed with extra Leucine. The diet consisted of 55% carbs and 15% proteins with added Leucine taken throughout the day. Another study indicated the use of BCAAs with approximately 50% Leucine as the base with Whey proteins at 1.26 grams per kilo, which is about 107 grams per 170 pound individual.
Here is a snap shot of dose per weight and individual body weight.
BODY WEIGHT IN POUNDS
BCAA’s TOTAL GRAMS
PROTEINS TOTAL GRAMS
Many authorities agree that proper protein supplementation should be at 1.3-1.6 grams per kilogram of bodyweight daily for strength training athletes. Some studies indicate that 5.6 grams of BCAAs, two times a day improved weight lifting recovery and improved muscle stability. Another study indicating 3.6 grams, two times a day improved the recovery of rugby players. Ultimately, the dosage pattern shown above should be a good rule of thumb.
WHAT ARE BCAAs?
Amino acids are the building blocks of proteins in our body. Amino acids are also indirectly responsible for muscle growth in our body, because all muscles are made of proteins. Research has revealed that certain amino acids, specifically the Branched-Chain Amino acids (BCAAs), help prevent fatigue and maintain muscle mass and strength during times of physical stress, even during intense workouts. The BCAAs, namely Leucine, Isoleucine and Valine are the three essential amino acids. The ‘branched chain’ designation refers to their unique chemical structure that cannot be replicated inside our body; hence they must be obtained from our diet. The combination of these three BCAAs makes up approximately 1/3 of the skeletal muscle in the human body.
Branched Chain Amino Acids have a non-continuous link of carbon bonds. That means, the BCAAs have one carbon atom that is not in a linear fashion that makes it a branched point. All Branched Chain Amino Acids have one or more points of non-continuous links. The other five Branched Chain Amino Acids are Phynelalanine, Methionine, Tryptophane, Threonine and Lysine. Some authorities suggest that there are a total of ten essential amino acids that include Arginine and Histadine. Other studies suggest that Arginine and Histadine are conditionally essential. The Branched Chain Amino Acids make up to 40% of the daily requirements of essential amino acids.
At one point, the safe levels or the RDA (Recommended Dietary Allowance) for BCAAs were 20% of the total amino acids required for daily needs. The established values for amino acids come from the FAO (Food and Agriculture Organization) and the National Research Council (NRC). The FAO and the NRC are the two bodies that are concerned with the studies related to the growth and development of infants and children. After closer evaluation of human needs, the requirement of BCAAs went up dramatically to the current levels of 40%. The changes in RDA levels and the BCAAs have changed dramatically in the last years. A number of studies that established the levels for BCAAs involved individuals fasting and living a normal lifestyle, and not in the quest to achieve more muscle mass or energy. Athletes are commonly one of the primary groups using BCAAs in supplemental forms.
METABOLISM OF BCAAs
Proteins are the foundation of amino acids. In order to render amino acids form protein molecules, proteins must be digested via the gastrointestinal tract, the GI. This involves the stomach, the Hydrochloric Acid that is secreted inside it, its reaction with large protein molecules; then the secretion of protease inside the pancreas that helps in the breakdown of longer amino chains; and finally the breakdown into smaller fragments in the small intestine to form free amino acids and some small peptides containing the enzyme peptidease. Most amino acids are then subjected to transportation to the liver and undergo further metabolism in the viscera (splanchec) area and the stomach mucosal area.
Free BCAAs are a little different in a way that they are directly carried by the blood through the liver. Whereas, some are exchanged in the intestinal viscera and eventually mix up in the bloodstream directly. Almost all amino acids can be degradated and broken down in the liver effectively with the exception of BCAAs. The liver oxidizes the BCAAs from their converted form called Oxo-Keto Acids. This means that the basic BCAAs are not metabolized by the liver directly. Ultimately, large percentages of the BCAAs are oxidized by the muscle tissue and some by fat (Adipose) tissue. But a large percentage of oxidation occurs in the muscle tissue (Organ Specific Muscle).
EXERCISE AND BCAAs
Six amino acids are taken by the muscle tissue for energy that includes Alanine, Aspartate, Glutamate and the BCAAs. While the BCAAs have the greatest metabolic potential for energy use in the muscles, muscle tissues have 60% of the specific enzymes needed for oxidation (burning) of amino acids for energy. In essence, the muscle is designed to burn BCAA amino acids for energy. During exercise, the body uses BCAAs as energy. The longer and harder the workout, the more BCAAs that are used by the muscles for energy. It is estimated that, 3% to 18% of all workout energy is provided by the BCAAs.
The bodies need for BCAAs, especially Leucine, is 25 times greater than the free amino pool or the readily available Leucine. The free amino pool is free or single amino acids found in the skeletal muscle, blood and cell plasma.(75% is in muscle). Free amino acids are amino acids that are not bound, but are ‘waiting’ to be used. Because of the great need for Leucine, the body must catabolise or breakdown the muscle for the Leucine needed during a workout. BCAAs can also be converted to Alanine or Glutamine inside the muscle. Alanine and Glutamine can go through glyconeogenesis in the liver to form Glucose. Ultimately, Leucine is one of the major ‘foods’ for the muscle during workouts.
SUPPLEMENTAL USE OF BCAAs
BCAAs when consumed in free form, bypass the liver and the gut tissue and go directly into the blood stream. Supplemental consumption of BCAAs quickly elevate the blood supply and affect the circulating BCAA levels. This is especially true when there are low levels of glycogen or stored sugars. BCAAs supplement have shown beneficial effects when taken before or after workouts. While large dosages of single Leucine are not recommended by some authorities, the use of BCAAs might be best in combination with other supplements.
ENDURANCE AND FATIGUE
Prevention of fatigue with the help of BCAAs in athletes can occur in two primary ways. First, the loss of ATP or cellular energy occurs with the loss of stored glucose in the form of glycogen. ATP levels are maintained by the BCAAs degradation and fatty acid utilization after glycogen depletion. The effect of BCAAs as energy is approximately 3-18% and possibly more, depending on the duration or the intensity of the workout. Muscle tissue can oxidize Leucine for energy or convert Leucine into Glutamine or Alanine for blood energy. Glutamine or Alanine can be converted into Glucose. Also IsoLeucine and Valine can be converted to form Krebs cycle components for energy as well; making all three BCAAs a valuable source of muscle energy.
The second primary fatigue fighter for BCAAs is seen with the BCAAs ability to prevent central fatigue in the nervous system. Central fatigue happens with the uptake of Tryptophan by the brain, increasing the levels of Serotonin. Serotonin increases tiredness and fatigue, demanding the rest to the brain immediately. BCAAs inhibit the brains ability to uptake Tryptophan.
For endurance athletes, the use of BCAAs before and after workout has proven to be effective in reducing total time taken for the completion of events. In other words, it has increased the performance abilities. Cyclists and marathoners have shown positive effects when using BCAAs immediately before events and during an event. Improvements in mental performance and reduction in performance time have been noted. The reduction of lactic acid levels have been shown in some studies (reduced burn). Loss of muscle mass has also been reduced. Two weeks of supplementation has shown improvements in time-trial of cyclists and other trained athletes. It is also noted that some studies indicated no improvements. Some studies however, have compared BCAAs to glucose, while some formulas today have the two together, a dosage of 3-20 grams a day, taken before, during and after workouts. Most studies indicated the consumption of 7 to 12 grams during long events mixed into carbohydrates solutions for best results.
MUSCLE BUILDING AND BCAAs
Recovery from a workout as well as increased energy can be accomplished with the use of BCCAs. During exercise, when muscle contacting tissues are being degradated for energy, non contractile muscle proteins decrease in catabolism and inversely with the reduction of exercise. In addition, the breakdown of contractile tissue increases during post work recovery. So increasing the usage of BCAAs before and especially after workouts has been a norm for years, producing a ‘muscle sparing’ effect. In addition, the stimulation of muscle synthesis and the use of BCAAs have required large dosages of these three amino acids. Most researches point to Leucine as the amino acid that stimulates this action when consumed with other supplements or as a part of a meal.
BCAAs have been used for muscle recovery extensively. Exercise recovery and the degradation of proteins are reduced with the use of BCAAs, especially Leucine. As noted above, Leucine has a signaling effect on key enzymes for protein synthesis, having an anabolic effect on human muscles. BCAAs usually are coupled with insulin and IGF-1.
Recent research has confirmed that Leucine increases the Adipocytes (fat cells) release of fats for energy. In addition, Leucine been proved to be a key factor in the prevention of muscle tissue degradation during dieting in diabetic situation. Most dieting solutions increase the loss of lean tissue and increase muscle loss. Having adequate Leucine and protein will prevent this loss of muscle during dieting.
SAFETY AND PRECAUTIONS
Studies related to experimentation of higher dosage of BCAAs in rats - an excess of 15 grams per kilo gram of body weight, have shown to decrease B3 blood levels and tissue levels. For a 100 pound man that would be about 750 grams. Based on the dosages as listed above, it is always good to make sure that enough b-vitamins the supplement program maintains a high protein level in the body. Acceptable dosages seem to be around 4-20 grams, depending on body weight and event of use.
WHO SHOULD TAKE THEM?
DO I GET ENOUGH BCAAS FROM THE PROTEINS I GET?
HOW DO BCAAS HELP ME IF I AM DIETING?
HOW LONG DO I HAVE TO TAKE IT?
WHAT IF I WAS A PREGNANT WOMAN, LACTOSE INTOLERANT OR DIABETES PATIENT?
WHAT KIND OF RESULTS SHOULD I EXPECT FROM BCAAS?
WILL IT BOTHER MY STOMACH?
WILL IT AFFECT MY HORMONES?
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