Non-peptide

Desiccated thyroid

Also known as

NDT · Armour Thyroid · NP Thyroid · Nature-Throid · WP Thyroid · DTE · desiccated thyroid extract · porcine thyroid

Community talk. May contain inaccuracies. Not medical advice. Not a protocol. Not for human or animal use.

What it is

Identity	Dried pig thyroid in hormone-replacement tablets such as Armour and NP Thyroid. It supplies both T4 and T3; levothyroxine supplies T4 alone.
Grains, mg and mcg	One grain of Armour is 60 mg of extract containing 38 mcg T4 and 9 mcg T3. Extract milligrams and hormone micrograms describe different quantities.

Notes

Thyroid replacement in a tablet. DTE means desiccated thyroid extract; NDT is another discussion name. Armour and NP Thyroid contain dried pig thyroid, supplying T4 and T3. These tablets are hormone replacement. Armour Thyroid manufacturer label hosted by DailyMed (Official context · Accessed 2026-09-30) · FDA’s Actions to Address Unapproved Thyroid Medications (Official context · Accessed 2026-09-30)

The comparison is about ingredients. Levothyroxine supplies T4 alone, while liothyronine supplies T3. People still tired or foggy on levothyroxine ask whether a mixed product feels different. A favorable switch does not prove that their bodies cannot convert T4 to T3. Levothyroxine vs Armour Thyroid (Personal report · Accessed 2026-09-30)

Extract milligrams are not hormone micrograms. Armour’s one-grain tablet is 60 mg of extract: 38 mcg T4 and 9 mcg T3, about 4.2 parts T4 to one part T3 by weight. Extract mg and hormone mcg are different units. Armour Thyroid manufacturer label hosted by DailyMed (Official context · Accessed 2026-09-30)

Source context — Armour Thyroid manufacturer label hosted by DailyMed: Manufacturer label, not FDA-approved labeling. Animal absorption figures in label are not used as human community measurements. Source family: AbbVie Armour March 2024 label.

Source context — FDA’s Actions to Address Unapproved Thyroid Medications: Policy snapshot accessed September 30, 2026. No inferred blanket withdrawal date, current brand stock or patient-specific instruction. Source family: FDA current enforcement page.

Source context — Levothyroxine vs Armour Thyroid: Different individual histories. Later reply dates rendered relatively; not reconstructed. T3 conversion, batch causation and PTSD-cure interpretations are not established. Exact original thread date was not exposed in the opened rendering; no precise calendar date asserted.

What people notice

Energy after switching	Some describe more usable energy or fewer headaches after switching from levothyroxine. Another found both medicines helpful and levothyroxine more consistent; one favorable switch also brought jitteriness.
Fatigue can persist	Accounts include continued exhaustion at 60 or 120 mg/day and continued symptoms at 150 mg. Better blood tests did not always bring better energy.

Notes

More usable energy. amorky described better gym energy six months after switching from levothyroxine, after finding an amount that suited them. SquareBottle reported doing well on both medicines and finding levothyroxine more consistent. Neither experience predicts another person’s response. Levothyroxine vs Armour Thyroid (Personal report · Accessed 2026-09-30)

Feeling better can come with a tradeoff. In a March 2026 discussion, Dramatic-Beginning-2 reported more energy and fewer headaches about a month after switching, but also jitteriness. Their explanation that T3 or a higher amount caused it was a personal interpretation. Armour Thyroid: March 2026 switch discussion (Personal report · Accessed 2026-09-30)

60–120 mg/day orally appears in the older discussion. The preserved band is roughly one to two Armour grains of extract daily. The inspected accounts include continuing exhaustion at 60 mg and 120 mg; a contributor without a thyroid reported improvement at 75 mg, taken as 60 mg plus 15 mg in the morning. This is a report, not a target. Those of you that take Armour, what is your dose? (Personal report · Accessed 2026-09-30)

Higher totals and added T3 are separate accounts. A 2024 contributor reported 150 mg with continued symptoms. Another reported 60 mg three times daily, totaling 180 mg/day, with 5 mcg liothyronine each time, totaling 15 mcg/day of additional T3. Their reported benefit cannot be assigned to Armour alone. What dosage of armour thyroid do you feel best on? (Personal report · Accessed 2026-09-30)

Better blood tests may leave fatigue unchanged. BillyJ03z and Dicky described improved cholesterol and SHBG, a hormone-binding protein, without clear symptom benefit. Both were discussing TRT, and BillyJ03z also described added T3; this cannot isolate DTE. Need for Thyroid Supplementation while on TRT (Personal report · Accessed 2026-09-30)

Source context — Armour Thyroid: March 2026 switch discussion: March 26–27 dates were visible in search-returned thread bodies; opened page rendered relative times. Personal causal and FDA-ban explanations not adopted.

Source context — Those of you that take Armour, what is your dose?: Historical and later replies mixed. No denominator; thyroidectomy context limits comparison. Other comments contain implausible T3 mg units that are not normalized or copied.

Source context — What dosage of armour thyroid do you feel best on?: Different commenters. Some accounts deleted/anonymized but bodies visible; erroneous '60 grain' wording excluded rather than corrected silently.

Source context — Need for Thyroid Supplementation while on TRT: TRT, HCG and other drugs confound outcomes. Commercial links on forum. T3-only sexual/glycogen stories are not DTE reports.

Doses people talk about

60–120 mg/day oral	The older discussion band is about one to two grains of extract daily. A separate 75 mg morning account used 60 mg plus 15 mg; these are replacement histories, without a universal target.
Added T3, separate account	One person reported Armour 60 mg three times daily, totaling 180 mg/day, plus liothyronine 5 mcg each time, totaling 15 mcg/day of additional T3.
Timing differs	Morning-only and divided amounts appear. One person described half a grain morning and bedtime; another found a morning grain plus an afternoon half-grain too stimulating.

Notes

Morning-only and divided amounts both appear. In a biohacking thread, Jennifer described half a grain morning and half at bedtime; GRay described a morning grain with an afternoon half-grain that felt too stimulating. These are different experiences, not competing instructions. NDT protocol? (Community discussion · Accessed 2026-09-30)

Source context — NDT protocol?: Page says topic deleted/privileged while exposing these bodies; no assertion of complete access. No exact post dates displayed. Peat quotations are secondhand theory. Commercial glandular capsule comment is a different product and excluded.

Half-life, onset & duration

Felt onset	One 15 mg Armour user described feeling normal within three days after switching. Another was still adjusting around a month; neither measures one-tablet onset.
Felt duration	No dependable single-tablet energy window is established. One changing account describes a good week followed by returning grogginess.
Half-life	There is no single established DTE value here. Separate hormone labels list T4 around 6–7 days with normal thyroid function and T3 at two days or less, or about 2.5 days under a different biological endpoint.

Notes

One favorable account: within three days. ImpartialMelon reported feeling normal on 15 mg Armour after fatigue and insomnia on levothyroxine. Another contributor was still adjusting about a month after switching. These are repeated-treatment symptom histories; neither establishes onset after one tablet. Armour Thyroid: March 2026 switch discussion (Personal report · Accessed 2026-09-30)

No dependable single-tablet felt window. The inspected accounts do not establish how many hours one Armour tablet improves energy. Taking another amount later in the day does not measure how long the first tablet lasted. What dosage of armour thyroid do you feel best on? (Personal report · Accessed 2026-09-30) · Half-life of T4 and T3 (Community discussion · Accessed 2026-09-30)

An early improvement can fade. nbluff described months of worsening at three grains daily, eight days without improvement after dividing that total, then a better week after reducing the daily total again. Grogginess was returning, and an earlier good week had also deteriorated. This is one changing account, not repeated confirmation. Half-life of T4 and T3 (Community discussion · Accessed 2026-09-30)

There is no single community-measured DTE half-life. A 2021 thread repeats seven days for T4, nine in hypothyroidism, and an uncertain twelve hours for T3. A 2025 reply instead claims six hours for T3. Neither supplies measurements; these differing hormone claims are not a six-to-twelve-hour half-life range for the combined tablet. Half-life of T4 and T3 (Community discussion · Accessed 2026-09-30) · Armour 120: split-use question (Secondhand community claim · Accessed 2026-09-30)

Formal clocks differ from forum clocks. Synthroid’s label lists T4 half-life as 6–7 days with normal thyroid function, 3–4 days in hyperthyroidism and 9–10 in hypothyroidism; its T3 entry is two days or less. Cytomel separately lists about 2.5 days biologically, activity within hours and maximum response in 2–3 days. These are formal endpoints, not DTE felt-duration measurements. Synthroid label: formal hormone timing table (Official context · Accessed 2026-09-30) · Cytomel label: activity and biological half-life (Official context · Accessed 2026-09-30)

Source context — Half-life of T4 and T3: Uncited forum kinetics; no measured combined-product half-life. Self-adjustment timeline is descriptive, not advice or evidence of causation.

Source context — Armour 120: split-use question: No cited half-life evidence. Original poster’s 114 mcg T4/27 mcg T3 belongs to 180 mg on Armour label, not 120 mg; rejected.

Source context — Synthroid label: formal hormone timing table: Formal product label table; T3 figure differs from Cytomel biological endpoint, not averaged. Source family: Synthroid label; not same as Armour or Cytomel.

Source context — Cytomel label: activity and biological half-life: Liothyronine-product formal endpoints; not Armour felt window. Source family: Cytomel manufacturer label.

Cycles people discuss

Ongoing replacement	Accounts describe open-ended replacement, including years of use. They establish no bodybuilding-style on/off course, tolerance break or reset calendar.

Notes

Replacement is described as ongoing use. The older card records open-ended replacement; a 2024 commenter reported 45 mg for years. These accounts concern maintaining thyroid function, rather than bodybuilding-style courses with a planned break. What dosage of armour thyroid do you feel best on? (Personal report · Accessed 2026-09-30)

No supported cycle or reset calendar. The discussions do not establish an on/off schedule, tolerance break or restart interval. Changes prompted by symptoms, laboratory results or supply are not evidence for cycling. What dosage of armour thyroid do you feel best on? (Personal report · Accessed 2026-09-30)

Stacks

Additional thyroid hormone	Some accounts add liothyronine to Armour. A later levothyroxine-plus-liothyronine switch concerns a different combination, without showing an Armour-only effect.
Other hormone use	TRT and added T3 accompany bloodwork stories. Cholesterol or SHBG changes in those accounts cannot be assigned to desiccated thyroid alone.

Notes

A successful switch can later change again. ImpartialMelon later reported doing reasonably well for about two months on levothyroxine plus liothyronine after leaving Armour over access concerns. They also described six weeks of hair shedding after an earlier Armour increase. This remains one person’s timeline. Armour Thyroid: March 2026 switch discussion (Personal report · Accessed 2026-09-30)

Source context — Need for Thyroid Supplementation while on TRT: TRT, HCG and other drugs confound outcomes. Commercial links on forum. T3-only sexual/glycogen stories are not DTE reports.

Watch for

Heart and sleep symptoms	Reports include tremor, palpitations, racing heart, insomnia and irritability. Hormone excess can also harm heart rhythm and bones; feeling more energetic does not establish appropriate exposure.
Weight-loss misuse	The Armour boxed warning says replacement amounts do not reduce weight with normal thyroid function, and larger amounts can cause serious toxicity.
Medicines and testing	The label flags anticoagulants, diabetes medicines, estrogen and absorption-binding medicines. Pregnancy and breastfeeding require clinician review; biotin can distort thyroid tests.

Notes

Palpitations and sleeplessness are real concerns. catbamhel reported tremor, palpitations, a racing heart, insomnia and repeated emergency visits during Armour use, later describing improvement off medication. This does not prove T3 alone caused the reaction or establish a resolved thyroid diagnosis. Levothyroxine vs Armour Thyroid (Personal report · Accessed 2026-09-30)

Over-replacement can harm heart and bones. Thyroid-hormone excess can produce rhythm problems and bone loss. Feeling more energetic does not establish that long-term exposure is appropriate. Synthroid label: formal hormone timing table (Official context · Accessed 2026-09-30)

Bedtime use divides people. Jennifer described fewer nightmares alongside dietary changes; GRay described restless sleep and irritability despite more energy. Their hormone and stress explanations remain theories. NDT protocol? (Community discussion · Accessed 2026-09-30)

Thyroid hormone is not a fat-loss shortcut. Armour’s boxed warning says replacement amounts do not reduce weight with normal thyroid function; larger amounts can cause serious toxicity. Heart disease and untreated adrenal insufficiency matter. Armour Thyroid manufacturer label hosted by DailyMed (Official context · Accessed 2026-09-30)

Other medicines and pregnancy change the context. The Armour label flags anticoagulants, diabetes medicines, estrogen and absorption-binding medicines such as cholestyramine. Pregnancy and breastfeeding require clinician review; biotin can distort thyroid tests. Armour Thyroid manufacturer label hosted by DailyMed (Official context · Accessed 2026-09-30)

Full notes

Desiccated thyroid is dried pig thyroid used in hormone-replacement tablets such as Armour and NP Thyroid. People compare it with levothyroxine when fatigue or brain fog persists. Reports range from better energy to unchanged symptoms, jitteriness or disrupted sleep; it is not a general-purpose energy supplement.

What desiccated thyroid actually contains

Thyroid replacement in a tablet. DTE means desiccated thyroid extract; NDT is another discussion name. Armour and NP Thyroid contain dried pig thyroid, supplying T4 and T3. These tablets are hormone replacement. Official context Official context
The comparison is about ingredients. Levothyroxine supplies T4 alone, while liothyronine supplies T3. People still tired or foggy on levothyroxine ask whether a mixed product feels different. A favorable switch does not prove that their bodies cannot convert T4 to T3. Personal report
Extract milligrams are not hormone micrograms. Armour’s one-grain tablet is 60 mg of extract: 38 mcg T4 and 9 mcg T3, about 4.2 parts T4 to one part T3 by weight. Extract mg and hormone mcg are different units. Official context

What people hope to feel

More usable energy. amorky described better gym energy six months after switching from levothyroxine, after finding an amount that suited them. SquareBottle reported doing well on both medicines and finding levothyroxine more consistent. Neither experience predicts another person’s response. Personal report
Feeling better can come with a tradeoff. In a March 2026 discussion, Dramatic-Beginning-2 reported more energy and fewer headaches about a month after switching, but also jitteriness. Their explanation that T3 or a higher amount caused it was a personal interpretation. Personal report

Doses people discuss

60–120 mg/day orally appears in the older discussion. The preserved band is roughly one to two Armour grains of extract daily. The inspected accounts include continuing exhaustion at 60 mg and 120 mg; a contributor without a thyroid reported improvement at 75 mg, taken as 60 mg plus 15 mg in the morning. This is a report, not a target. Community Personal report
Higher totals and added T3 are separate accounts. A 2024 contributor reported 150 mg with continued symptoms. Another reported 60 mg three times daily, totaling 180 mg/day, with 5 mcg liothyronine each time, totaling 15 mcg/day of additional T3. Their reported benefit cannot be assigned to Armour alone. Personal report
Morning-only and divided amounts both appear. In a biohacking thread, Jennifer described half a grain morning and half at bedtime; GRay described a morning grain with an afternoon half-grain that felt too stimulating. These are different experiences, not competing instructions. Bioenergetic Forum

Half-life claims in discussion

There is no single community-measured DTE half-life. A 2021 thread repeats seven days for T4, nine in hypothyroidism, and an uncertain twelve hours for T3. A 2025 reply instead claims six hours for T3. Neither supplies measurements; these differing hormone claims are not a six-to-twelve-hour half-life range for the combined tablet. Reddit Reddit
Feeling warm does not identify the ingredient. The older record contrasts slower T4 with faster T3, but its claim that felt heat must be T3 is too certain. A sensation, a blood-level change and bodily elimination are different questions. Community

When people notice a change

One favorable account: within three days. ImpartialMelon reported feeling normal on 15 mg Armour after fatigue and insomnia on levothyroxine. Another contributor was still adjusting about a month after switching. These are repeated-treatment symptom histories; neither establishes onset after one tablet. Personal report

How long the feeling lasts

No dependable single-tablet felt window. The inspected accounts do not establish how many hours one Armour tablet improves energy. Taking another amount later in the day does not measure how long the first tablet lasted. Personal report Reddit
An early improvement can fade. nbluff described months of worsening at three grains daily, eight days without improvement after dividing that total, then a better week after reducing the daily total again. Grogginess was returning, and an earlier good week had also deteriorated. This is one changing account, not repeated confirmation. Reddit

Long-term use and breaks

Replacement is described as ongoing use. The older card records open-ended replacement; a 2024 commenter reported 45 mg for years. These accounts concern maintaining thyroid function, rather than bodybuilding-style courses with a planned break. Community Personal report
No supported cycle or reset calendar. The discussions do not establish an on/off schedule, tolerance break or restart interval. Changes prompted by symptoms, laboratory results or supply are not evidence for cycling. Personal report

Good to know

Palpitations and sleeplessness are real concerns. catbamhel reported tremor, palpitations, a racing heart, insomnia and repeated emergency visits during Armour use, later describing improvement off medication. This does not prove T3 alone caused the reaction or establish a resolved thyroid diagnosis. Personal report
Thyroid hormone is not a fat-loss shortcut. Armour’s boxed warning says replacement amounts do not reduce weight with normal thyroid function; larger amounts can cause serious toxicity. Heart disease and untreated adrenal insufficiency matter. Official context
Other medicines and pregnancy change the context. The Armour label flags anticoagulants, diabetes medicines, estrogen and absorption-binding medicines such as cholestyramine. Pregnancy and breastfeeding require clinician review; biotin can distort thyroid tests. Official context
Over-replacement can harm heart and bones. Thyroid-hormone excess can produce rhythm problems and bone loss. Feeling more energetic does not establish that long-term exposure is appropriate. Official context
Access talk changes over time. As checked September 30, 2026, FDA describes animal-derived thyroid products as unapproved and plans guidance while applying risk-based enforcement. This is more specific than a forum claim that all Armour is simply banned; it does not establish a particular pharmacy’s stock. Official context

Separately labeled research and label context

Formal clocks differ from forum clocks. Synthroid’s label lists T4 half-life as 6–7 days with normal thyroid function, 3–4 days in hyperthyroidism and 9–10 in hypothyroidism; its T3 entry is two days or less. Cytomel separately lists about 2.5 days biologically, activity within hours and maximum response in 2–3 days. These are formal endpoints, not DTE felt-duration measurements. Official context Official context
Preference does not mean universal superiority. Hoang’s 2013 trial found no overall symptom or cognitive advantage in 70 patients, although 34 preferred DTE and modest weight loss occurred. It studied hypothyroidism, not healthy enhancement or decades of comparative safety. Official context
A separate 75-person comparison also found similar overall outcomes. Shakir’s 2021 crossover compared levothyroxine, T4-plus-T3 and DTE. An exploratory subgroup of the most symptomatic participants preferred and improved with T3-containing treatment; DTE slightly increased heart rate. This does not establish universal superiority. Official context

From community discussion

Better blood tests may leave fatigue unchanged. BillyJ03z and Dicky described improved cholesterol and SHBG, a hormone-binding protein, without clear symptom benefit. Both were discussing TRT, and BillyJ03z also described added T3; this cannot isolate DTE. Personal report
Bedtime use divides people. Jennifer described fewer nightmares alongside dietary changes; GRay described restless sleep and irritability despite more energy. Their hormone and stress explanations remain theories. Bioenergetic Forum
A successful switch can later change again. ImpartialMelon later reported doing reasonably well for about two months on levothyroxine plus liothyronine after leaving Armour over access concerns. They also described six weeks of hair shedding after an earlier Armour increase. This remains one person’s timeline. Personal report
Shortages can force a poorly tolerated change. Anonymon described leaving NDT after a shortage and reacting poorly to a substitute in 2022. This is a dated experience, not evidence of current supply. Personal report
Cost can be a practical burden. A March 2025 Bluesky poster described difficulty tolerating unnamed synthetic thyroid medicines and financial strain from Armour costs. They supplied no numerical price or comparison details. Personal report