You must start taking it with your phentermine or it will stop working. This stupid mistake makes further weight loss much more unlikely.
Phentermine loses its effectiveness very quickly. So, every day you take it, the drug is a little weaker than the day before. Tyrosine stops the weakening of phentermine. So, the sooner you begin the tyrosine, the more effective the phentermine remains.
Also, the quicker you begin the tyrosine, the fewer the capsules that will be needed to make the phentermine potent. So, if you begin the use of tyrosine shortly after starting the phentermine, you may only need 2-3 capsules. Whereas, if you wait to start the tyrosine after the phentermine has stopped working well, you may need 10-15 capsules to make the phentermine work effectively again. So, the way to do this is to add the tyrosine within the first week or so of starting the phentermine.
Tyrosine is one of the 20 amino acids that make up the protein in our bodies, but like the other amino acids, it does a lot more than that. One of the things it ends up making is the neurotransmitter dopamine. Dopamine is an excitatory neurotransmitter. That means it tends to give energy. Another thing it does is help suppress appetite. Dopamine is the neurotransmitter that phentermine works on. Tyrosine makes Dopamine. So, if you take enough tyrosine, it makes your weight loss drug more potent.
The first thing you need to do is take the phentermine in the A.M. to see how long it lasts for you. Then you try to make sure you take the drug so that it covers the time of day you have the most trouble with appetite control.
For instance, if you have trouble controlling yourself between dinner and bedtime and you have figured out that the phentermine lasts 10 hours; take the phentermine at noon to cover the evening hours and wear off before bedtime (10 p.m.). If you take it too late you won’t fall asleep until it wears off.
The next step would be to figure out how many tyrosine capsules it takes to make the phentermine stronger. So the first time you try adding in the tyrosine you only add in one cap about 5 p.m. If no effect you add in 2 caps at 5 p.m. the next day and so on until you find the amount of tyrosine you need to make the phentermine more effective over the next several hours.
To go over this again; for one needing to control appetite in the evening; the average person will find they need to take the phentermine somewhere between 10am to 2pm to have it last through the evening hours and wear off before bedtime.
Then to make the phentermine more effective during the evening hours they will probably find an effective dose of tyrosine between 2 to 6 caps and will take the caps between 5 and 6pm. For instance, if one takes the phentermine and a few tyrosine at noon, they will have more energy and appetite suppression until 4 or 5 pm. Then if they wish to cover the evening hours, they would need to take several more tyrosine at around 5 pm to make the phentermine more potent for the next several hours.
Tyrosine makes the phentermine more potent for about 4 to 5 hours. So you need to take your tyrosine prior to the time you need your appetite controlled.