There are a comprehensive range of both synthetic and natural thyroid supplements available; this is the Nature® 1½ grain option. It is also possible to buy the ½ grain, 1 grain and 2 grain options; please see our Thyroid range for all of these as well as Thyroid Peptide Bioregulators and other related products.
Nature® is a natural thyroid supplement; we recommend this over a synthetic version because natural products contain a full spectrum of Thyroid hormones (T1, T2, T3 and T4), unlike synthetic thyroid products, which typically only contain one.
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Age Related Mental Decline Anabolic State Blood Disorders Bone Problems Cardiovascular Conditions Cognitive Depression Diabetes Disrupted Circadian Rhythms Growth Hormone Deficiency Hashimoto's Disease Heart, arterial & blood health conditions HGH (Human Growth Hormone) Human Growth Hormone Hypothyroidism Immune System Improvement Insomnia Insulin & Glucose Control Joint Aches & Pains Low Estrogen Levels Requiring HRT Menopause Osteoporosis Photoaging Skin problems Sleep Disorders Thyroid Weight Loss Well-beingProduct Description
Age related thyroid decline is a common process that we suffer as we grow older. It often leads to conditions such as Hypothyroidism and other age related health disorders. This is caused by reduced production of thyroxine by the thyroid gland. Supplements to boost thyroid function can have a significant positive effect on a wide range of age related problems.
The thyroid gland produces the hormone thyroxine, which controls the body’s metabolism (the rate at which it burns calories for energy). It also controls the body’s utilization of fat.
If there is a decline in the secretion of hormones from the thyroid gland, this leads to the condition Hypothyroidism, which can result in far wider health problems such as poor concentration, confusion, memory problems, cold hands and feet and weight gain (the full list of 47 hypothyroidism symptoms identified by Dr Broda Barnes are available in Dr Ward Deans article ‘Hypothyroidism – The Underdiagnosed Epidemic’ here).
Another, more serious condition which can be caused by an under active thyroid is Fibromyalgia. This is a painful musculoskeletal condition affecting the tendons, muscles and ligaments.
Some cases of hypothyroidism, which has been clinically diagnosed as thyroid deficiency syndrome, may be caused by a condition called Hashimoto’s thyroiditis. This is an autoimmune disease in which the body’s own immune defenses turn on the thyroid gland, causing an inflammatory process that eventually destroy it. 90% of the sufferers of Hashimoto’s thyroiditis are women.
Thyroid levels can be checked by measuring levels of Thyroid Stimulating Hormone (TSH) in the blood. It is worth checking your TSH levels from time to time, as they do fluctuate naturally, but having an overall trend can show whether they are stable, raising, or declining. If they are declining, this can indicate whether the thyroid supplements you are using are returning your thyroxine levels to acceptable levels.
Another way to check your thyroid function is by taking your body temperature when you wake in the morning. This should be done before you get out of bed, so you have a true idea of your Basal Body Temperature (BBT). Ideally, it should be in the range of 97.8 to 98.2 degrees Fahrenheit (36.5-36.7 degrees Celsius). If not then you should consult a doctor about checking and supplementing with thyroid.
At antiaging-systems.com we recommend a comprehensive range of both synthetic and natural thyroids, but would strongly advocate taking a natural supplement over a synthetic because they contain the full spectrum of Thyroid hormones (T1, T2, T3 and T4) unlike synthetic thyroid products which typically only contain one. However most mainstream doctors only prescribe synthetic thyroids.
This table was provided by ERFA Thyroid and provides a helpful guide to what the suggested conversion rates are for those wishing to make the switch between synthetic thyroids and natural versions. As always, we recommend consulting with a physician for anything you are not entirely sure about!
Natural thyroids are measured in grains and we carry recommend a range of products including the popular Armour Thyroid brand in grains from ¼ grain to 2 grain. As well as the ERFA Thyroid and Nature Thyroid products in grains from ½ grain to 2 grain. All our recommended natural thyroid supplements are of porcine origin.
The different dosages of whole thyroid extracts depend on your age and thyroid condition. This is why its so important to know your levels before deciding on a dosage amount.
As a rough guide though, 15mg to 30mg daily is a good starting point, increasing to 60mg daily after a couple of weeks if necessary. If you are over 40 years of age and have no overt endocrine disease, then just a small regular whole thyroid supplement can raise energy levels, improve bowel function and cognitive function.
We consider natural whole thyroid supplements an essential part of any serious attempt to increase longevity and overall health, as this hormone has such a profound impact on so many areas of the body. As such, almost every aging individual would benefit from taking a natural whole thyroid supplement.
Disclaimer: Please note that only your own physician can determine your precise needs, but in order to give you some information these answers are based upon the ‘average person’ and clinical / published results.
What is the difference between Westhroid® and Nature-throid® supplements which are both made by RLC labs?
According to the makers- RLC Labs, their brands of natural porcine thyroids- Westhroid® and Nature-throid® are hormonally IDENTICAL – they both contain the same thyroid composition and excipients, the only difference is the binding ingredient. However, the brand Westhroid® appears to be no longer in the maker’s catalog, instead it seems to have been transformed into WP-Thyroid® which contains the additions of inulin, (from chicory root) and medium chain triglycerides (from coconut).
I have an under active thyroid and take 175 mcg of Eutroxsig thyroxine tablets every day. Can you tell me the right natural tablet in replacement please?
It is a matter of some informed experimentation and supervision with your health professional to meet your needs. A close watch on your body temperature (rising from bed in the morning) and your heart rate are good parameters to ascertain both if the dose is too low (hypo) or too high (hyper), of course a blood test is ideal. This is described in detail in Dr. Dean’s article here: Hypothyroidism-The Underdiagnosed Epidemic
Regarding transference from synthetic thyroids to natural thyroids, (including time scale and gradual switching from one to the other), this quote is taken from Dr. Lippman’s article at: Thyroid and adrenals.
“A typical dose—25 micrograms of Cytomel® (T3 or triiodothyronine) or 100 micrograms of Synthroid® (T4)—is approximately equivalent to one grain of natural, dried thyroid. For example, a patient on Synthroid® should weekly reduce his or her dose by one-fourth while simultaneously increasing the natural thyroid dose by one-fourth. Thus, after one month, the person will have gradually converted to the completely natural regimen.”
You may also find Dr. Wilkinson’s thyroid article interesting also: Thyroid An Important Yet Underutilized Antiaging Hormone.
Note: 1 grain of natural thyroid is equivalent to 60 mg.
Eutroxsig® is levothyroxine (T4) therefore according to Dr. Lippman’s formula the average patient would equivocate 175 mcg of T4 into 1.75 grains of natural thyroid which is a dose equivilant to 105 mg. Individual natural thyroid tablets come in sizes of 15, 30, 60, 90, 120 and 125 mg. Therefore, your end-dose is best taken as a 90 mg and a 15 mg tablet and ARMOUR® is available in both of these sizes. Of course, you may need to use different tablet dose combinations in the early weeks if you and your doctor follow Dr. Lippman’s switch over information (as above).
I am currently taking synthetic thyroid but wish to move to a natural thyroid, what dosage of the natural thyroid supplement is equal to the synthetic version?
This is a difficult question to answer, at least to be precise because there is no standardized equivalent about transferring from a synthetic thyroid to a natural one, much depends on the blood work and how you feel.
One of the issues that can cause complication is that Synthetic Thyroids such as Synthroid® only contain T4, this has to be converted inside the body into T3 the active form of thyroid; however for some patients this process is sometimes poor and therefore leads to lower than required T3 levels. However as a natural thyroid such as Armour® contains all 4 thyroid hormones (T1, T2, T3 and T4), it means that the body doesn’t need to ‘struggle’ to convert into T3 etc. And it is one of the reasons why Armour® and other natural Thyroid supplements are considered by many to be superior products.
A good expression of an active thyroid is body temperature. Take your temperature upon rising from bed, over a couple of weeks it should be in the range of 97.8 to 98.2 degrees Fahrenheit, if it is regularly less than that it could be that a little more thyroid is required, if more than that then perhaps less thyroid is required.
However as Dr. Ward Dean says, “don’t treat the blood, treat the patient” so sometimes a little more thyroid can overcome low energy, poor temperature control, poor sleep etc. However you should ensure that your resting pulse rate does not rise above 65-75 beats per minute.
Dr. Thierry Hertogue recommends that the synthetic thyroid is (ideally) reduced by a quarter each week and that the natural thyroid is introduced by a quarter dose each week, therefore within a month the Thyroids are switched.
A typical regime would be in week 1 the levothyroxine is reduced to 75mcg (I appreciate that tablets are often 50mcg but that would be 1 ½ tablets) and introduce Armour at 15mg. Week 2 levothyroxine 50mcg and Armour 30mg, week 3 levothyroxine 25mcg and Armour 45mg, week 4 levothyroxine 0mcg and Armour 60mg and thereafter 60mg daily.
This regime is of course dependent upon body temperature, blood tests and the health of the patient. It may be that your final natural thyroid dose will be slightly lower or higher than 60mg – but that is the typical average dose for a patient.
Should natural thyroids be taken on an empty stomach or with food?
There are no specific instructions from the manufacturer, but most products are fat soluble and therefore best taken with food, this is also likely to be the case with the Armour® thyroid.
Is it a good idea to take a break my thyroid treatment from time to time?
It is believed to be generally good practice with most types of medications, particularly hormones to give occasion breaks or alterations to the patterns and dosages etc.
Thyroid is a hormone that is particularly prone to potential ‘down regulation.’ In other words, over doing the supplementation can cause permanent lack of production of natural thyroid. However, this is rare when it comes to a natural thyroid such as Armour®, Nature® or ERFA® because the synthetics only contain T3 or T4.
Marios Kyriazis M.D. wrote a piece about why differing / uneven supplementation (for all supplements – not just thyroid) may be beneficial and gave a strong scientific argument with references in the Journal of Antiaging Medicine which is now called Rejuvenation Research although there isn’t a definitive clinical proof for it. *Reprints can be ordered here. Please note that abstracts are not available free of charge.
I have been taking Synthroid® 0.112 mg. Which is the closest one?
Synthroid® is T4; the closest match we have is Eutirox® in 100 mcg tablets (0.100 mg). However you may want to read some of our articles about thyroid and consider a natural replacement here.
I received an order of Armour thyroid from you a couple of weeks ago and there are a couple of questions I would like to ask. First, I am currently taking 100 mg of levothyroxine (T4) daily. Can you tell me what dosage I should take of Armour thyroid? Also, should I start with a lower dose of Armour or start with the equivalent of what I am taking now? Also, should I take the required dosage once a day or divide it into two doses? I take quite a lot of vitamins, minerals and other supplements. Do I need to take these at a different time from Armour thyroid?
Unfortunately there is no exact science in transferring from a synthetic thyroid to a natural one; much depends on the blood work and how you feel. A good expression of an active thyroid is body temperature. Take your temperature upon rising from bed it should be in the range of 97.8 to 98.2 degrees Fahrenheit, if it is less than that it could be that a little more thyroid is required, if more than that then perhaps less thyroid is required. However, as my good friend Dr. Ward Dean says, “don’t treat the blood; treat the patient” so sometimes a little more thyroid can overcome low energy, poor temperature control, poor sleep etc. However you should ensure that your resting pulse rate does not rise above 65-75 beats per minute.
Dr. Thierry Hertogue recommends that the synthetic thyroid is (ideally) reduced by a quarter each week and that the natural thyroid is introduced by a quarter dose each week, therefore within a month the drugs are switched. Therefore, a typical regime would be in week 1 the levothyroxine is reduced to 75mcg (I appreciate that tablets are often 50mcg but that would be 1 ½ tablets) and introduce Armour® at 15mg. Week 2 levothyroxine 50mcg and Armour 30mg, week 3 levothyroxine 25mcg and Armour 45mg, week 4 levothyroxine 0mcg and Armour 60mg and thereafter 60mg daily.
This regime is of course dependent upon body temperature, blood tests and the health of the patient. It may be that your final natural thyroid dose will be slightly lower or higher than 60mg- but that is the typical average dose for a patient.
Armour® is best taken in the morning; some believe that chewing the tablet carefully is the best way to take it. There are no known complications taking it with other vitamins/ nutrition.
I now take 100 mcg of Synthroid® every day. I want to take a similar amount of Armour®. Could your experts advise me on how much Armour I should take a day to be approximately equal?
It is a difficult question to answer, at least to be precise because there is no standardized equivalent. One of the issues that causes the complication is that Synthroid® ‘only’ contains T4, this has to be converted inside the body into T3 the active form of thyroid, however for some patients this process is sometimes poor and therefore leads to lower than required T3 levels. However, as Armour® contains all 4 thyroid hormones (T1, T2, T3 and T4), it means that the body doesn’t need to ‘struggle’ to convert into T3 etc. And it is one of the reasons why Armour is considered by many to be a superior product.
The best way is to continue monitoring the situation as you do now, with blood work to maintain the levels you require. However, some good physiological actions to monitor were recommended by Ward Dean, M.D. (and can be seen on the IAS website under articles) and are quoted as follows:
“In the 1940s, Dr. Barnes realized that the blood tests were usually inaccurate. Consequently, he developed a simple test to confirm suspected low thyroid function using an ordinary thermometer. He found that normal underarm or oral temperatures immediately upon awakening in the morning (while still in bed) are in the range of 97.8 to 98.2 degrees Fahrenheit. He believed that a temperature below 97.8 indicated hypothyroidism; and one above 98.2, hyperthyroidism (overactive thyroid). Dr. Barnes recommended that the underarm temperature taken immediately upon awakening be used to diagnose hypothyroidism. Unfortunately, even today’s highly sophisticated tests are no more accurate than the tests used in Dr. Barnes’ era. Therefore, I instruct my patients to take their temperature orally (as opposed to underarm) immediately upon awakening in the morning as a guide to diagnosis and treatment of hypothyroidism. At the same time I have my patients check their resting pulse rate which should be between 65 and 75.
If a patient exhibits hypothyroidism symptoms and his temperature is below 97.8 Fahrenheit, I prescribe one grain (60 mg) of Armour Desiccated Thyroid daily. If no improvement is noted in two or three weeks, I instruct him to increase the dose by another grain. At each step, we monitor morning temperature and heart rate. If the suspected hypothyroid symptoms are still present and the temperature is still sub-normal, it is safe to continue to increase the dosage provided that the patient’s heart rate goes no higher than the mid-70s, and no symptoms of hyperthyroidism are evident, (agitation, anxiety, poor sleep, tremor of hand, palpitations).
Treatment of subclinical hypothyroidism with thyroid hormone is very safe. There is little risk of excessive thyroid dosage if: (1) the patient feels well; (2) the temperature remains below 98.2; (3) the pulse is less than 75 beats per minute; and (4) the thyroid function tests remain normal. (Note that most hypothyroid patients feel best with sub-normal TSH levels).
With this in mind and considering that your current Synthroid® medication is low-mid range in its dose, you may want to start as Dr. Dean suggests at 1-grain (60mg) of Armour® and monitor the situation to see if more is required. Please note that Armour is now also available in 90mg tablets, which means there is now a step between 1 and 2 grains (which probably wasn’t around when Dr. Dean wrote said article).
Can I ask you one more question? It is in relation to taking vitamins, minerals, and other supplements. The synthetic thyroid I am currently taking says I should not take vitamins etc., within 4 hours of taking thyroid – does this advice also apply to Armour® thyroid?
I can’t imagine why the synthetic thyroid manufacturers make that case? Unless they have concerns that some of the vitamins will contain iodine (or iodide) that could lead to an increased thyroid release; however, this is only likely to be the case if both the thyroid dose and the vitamin doses are high.
We see no harm in taking both Armour® and vitamins together at more or less the same time. I do! One tip is that chewing the Armour tablet carefully helps to get some it of sublingually, therefore faster into the bloodstream – in my opinion there is virtually no flavor to them so it is not unpleasant.
Should thyroid be taken on an empty stomach or with food? If with food, is it better with carbs or protein?
There are no specific instructions from the manufacturer, but most products are fat soluble and therefore best taken with food, this is also likely to be the case with the Armour® thyroid. A heavy protein meal may be best avoided. We hope this helps.
One grain (equivalent to 60mg) or higher dosages are potent and usually require temperature monitoring and occasional blood tests. Persons with more-serious thyroid conditions are often be prescribed one grain. Dosages under a physician’s guidance can often reach three to five grains daily. Dosages of more than one grain are usually increased by a grain over one to two weeks. Quarter grain and half grain whole thyroid supplements (15mg to 30mg)) provide less potency and are used to support an aging thyroid condition. However, long-term use of low dose whole thyroid extracts may also require occasional breaks and monitoring.
Reduce or stop thyroid supplementation if you feel unwell, your rising-from-bed-in-the-morning temperature is over 98.2 degrees Fahrenheit, your resting pulse is more than 75 beats a minute or your thyroid function blood tests are abnormal.
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