Thyro Spectrum® Day and Night Bundle - LABS212® - Suplementy diety
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Dietary supplement

Thyro Spectrum® Day and Night Bundle

Thyroid function support

  • Helps maintain normal thyroid function – day and night support

  • DAY – 8 active ingredients: L-tyrosine, Quercefit®, BOSWELLIN®, bladderwrack standardized for iodine, magnesium bisglycinate, vitamins B2, B9, B12

  • NIGHT – 12 active ingredients: myo-inositol, lemon balm, tocopherols and tocotrienols, Rhodiola rosea, selenium, vitamins B1, B3, B5, B6, manganese, copper, zinc

  • We recommend using the complete Thyro Spectrum® Day and Night Bundle

  • Tested microbiologically, for heavy metals, ethylene oxide, pesticides, and alkaloids

  • Quantity DAY: 60 capsules / 30 daily servings

  • Quantity NIGHT: 30 capsules / daily servings

  • Best before: 01.2028

  • Notified to GIS (Poland): BZ/SD/POW/PL1000D/004831/2026, BZ/SD/POW/PL1000D/004832/2026

  • 🇵🇱 Encapsulated and manufactured in Poland

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Price per piece: 1,67 zł

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A bundle of two supplements supporting thyroid function: Thyro Spectrum® NIGHT and Thyro Spectrum® DAY.

Thyro Spectrum® DAY contains:

L-Tyrosine:

  • L-Tyrosine is a direct precursor to thyroid hormones: thyroxine (T4) and triiodothyronine (T3), serving as a substrate for their synthesis within thyrocytes,
  • L-Tyrosine participates in the process of iodinating tyrosyl residues of thyroglobulin, which is a key step in the formation of thyroid hormones,
  • L-Tyrosine supports the healthy activity of the hypothalamus–pituitary–thyroid (HPT) axis, influencing the physiological regulation of TSH secretion,
  • L-Tyrosine may indirectly support the rate of energy metabolism and thermogenesis by optimizing thyroid hormone production,
  • L-Tyrosine plays an adaptive role under physical and mental stress conditions, which can impair the conversion of T4 to T3.

 

Quercetin Quercefit® (Sophora japonica L.):

  • quercetin exhibits strong antioxidant properties, protecting thyroid cells against oxidative stress resulting from intensive hormone synthesis,
  • quercetin supports the modulation of the inflammatory response, which is significant in the context of autoimmune thyroid disorders,
  • quercetin may influence the regulation of pro-inflammatory cytokine expression, supporting the protection of the thyroid gland’s structure,
  • quercetin, thanks to the Quercefit® phospholipid technology, is characterized by increased bioavailability, allowing for more effective biological action,
  • quercetin supports immune balance and may indirectly promote the stabilization of the hormonal axis.

Indian Frankincense gum resin extract (Boswellia serrata) BOSWELLIN®:

  • indian Frankincense contains boswellic acids, including AKKBA, which modulate inflammatory pathways by inhibiting 5-lipoxygenase (5-LOX) activity, leading to reduced synthesis of pro-inflammatory leukotrienes and supporting the control of chronic inflammation,
  • indian Frankincense supports the reduction of chronic inflammation, which can negatively affect thyroid function,
  • indian Frankincense promotes the protection of thyroid gland tissue against excessive immune activation,
  • indian Frankincense exhibits effects that support immune system balance, which is essential in autoimmune disorders.

Bladderwrack extract (Fucus vesiculosus) standardized to 0.1% iodine:

  • bladderwrack extract provides iodine – a key structural element of T3 and T4 thyroid hormones,
  • bladderwrack extract supports proper thyroid hormone synthesis by ensuring adequate iodine supply,
  • bladderwrack extract contains natural bioactive compounds (polysaccharides, polyphenols) that support the protection of thyroid cells.

Magnesium bisglycinate:

  • magnesium bisglycinate is a chelated, highly bioavailable form of magnesium, well-tolerated by the digestive system,
  • magnesium bisglycinate participates in enzymatic reactions related to energy metabolism, essential for the action of thyroid hormones,
  • magnesium bisglycinate supports mitochondrial function and ATP production, which is important in regulating the metabolic rate,
  • magnesium bisglycinate helps in the proper functioning of the nervous system,
  • magnesium bisglycinate contributes to reducing feelings of tiredness and fatigue, which often accompany thyroid disorders.

Vitamin B2 as riboflavin 5′-phosphate:

  • R-5-P is a biologically active form of riboflavin, utilized directly in metabolic processes,
  • B2 helps in the proper functioning of the nervous system,
  • B2 contributes to maintaining proper iron metabolism,
  • B2 helps in protecting cells against oxidative stress,
  • B2 contributes to maintaining proper energy metabolism,
  • B2 helps in maintaining the proper condition of mucous membranes and helps maintain healthy skin,
  • B2 helps in maintaining proper vision,
  • B2 helps in maintaining the proper state of red blood cells,
  • B2 contributes to reducing feelings of tiredness and fatigue.

Vitamin B9 active folic acid:

  • B9 supports the proper functioning of the nervous system,
  • B9 supports the proper functioning of psychological functions,
  • B9 helps in proper concentration and learning ability,
  • B9 supports the proper functioning of memory and reasoning,
  • B9 takes part in the proper formation of blood cells (red blood cells),
  • B9 provides an active form of folates, ready to participate in methylation processes.

Vitamin B12 hydroxycobalamin:

  • B12 helps in the proper functioning of the nervous system,
  • B12 helps in maintaining proper homocysteine metabolism,
  • B12 helps in maintaining proper psychological functions,
  • B12 helps in the proper production of red blood cells,
  • B12 supports and helps in the proper functioning of the immune system,
  • B12 contributes to reducing feelings of tiredness and fatigue,
  • B12 plays a role in the process of cell division.

 

Thyro Spectrum® NIGHT contains:

Myo-inositol:

  • myo-inositol supports cognitive functions and mental performance,
  • myo-inositol assists in maintaining memory, attention, and concentration,
  • myo-inositol assists in learning,
  • myo-inositol acts as a secondary messenger in TSH signaling within thyrocytes, participating in the pathway that regulates key processes in the thyroid.

Lemon balm (Melissa officinalis):

  • lemon balm supports the calming of the nervous system by modulating the activity of GABAergic receptors, which promotes a reduction in neuronal excitation,
  • lemon balm assists in the reduction of tension and stress, which can negatively affect the regulation of the hypothalamus–pituitary–thyroid axis,
  • lemon balm helps in improving sleep quality and facilitating falling asleep, supporting nocturnal neurohormonal regulation,
  • lemon balm exhibits antioxidant properties due to the presence of rosmarinic acid and flavonoids, which supports cell protection against oxidative stress,
  • lemon balm supports neuroendocrine balance, indirectly promoting the stabilization of hormonal processes, including those related to thyroid function.

Arctic root (Rhodiola rosea):

  • arctic root as an adaptogen supports the body’s adaptation to physical and mental stress,
  • arctic root assists in the proper functioning of the nervous system, contributing to a reduction in feelings of tiredness and exhaustion,
  • arctic root helps in maintaining mental performance, concentration, and attention, especially under conditions of cognitive load,
  • arctic root supports cellular energy metabolism, among others, through its influence on mitochondrial function and ATP management,
  • arctic root helps in maintaining neurohormonal balance by modulating the stress response, which indirectly promotes the stable functioning of the hypothalamus–pituitary–thyroid axis.

Selenium in the form of L-selenomethionine Selenium SeLECT®:

  • selenium contributes to the proper functioning of the immune system,
  • selenium contributes to the protection of cell components from oxidative damage,
  • selenium contributes to the proper functioning of the thyroid,
  • selenium contributes to maintaining the proper condition of hair and nails.

Zinc in the form of gluconate:

  • zinc contributes to maintaining the proper metabolism of macronutrients,
  • zinc helps in maintaining proper vision,
  • zinc contributes to maintaining the proper metabolism of vitamin A,
  • zinc helps maintain healthy skin, nails, and hair,
  • zinc helps in the proper synthesis of DNA and takes part in the process of cell division,
  • zinc helps in the proper synthesis of protein,
  • zinc helps in maintaining proper carbohydrate metabolism and contributes to maintaining the proper metabolism of fatty acids,
  • zinc supports the maintenance of healthy bones,
  • zinc helps in the proper functioning of the immune system.

Zinc is a cofactor for enzymes involved in the metabolism of proteins, carbohydrates, fats, and nucleic acids: alcohol dehydrogenase, superoxide dismutase, DNA polymerase, RNA polymerase, alkaline phosphatase, and carboxypeptidase. It is involved in the activity of over 200 enzymes.

Manganese in the form of gluconate:

  • manganese contributes to maintaining proper energy metabolism,
  • manganese contributes to maintaining healthy bones,
  • manganese helps in the proper formation of connective tissues,
  • manganese helps in protecting cells against oxidative stress.

Copper in the form of gluconate:

  • copper contributes to maintaining proper energy metabolism,
  • copper helps in the proper functioning of the nervous system,
  • copper contributes to the proper functioning of the immune system,
  • copper helps in protecting cells against oxidative stress,
  • copper contributes to the proper transport of iron in the body.

Vitamin B1 thiamine:

  • B1 helps in maintaining proper psychological functions,
  • B1 contributes to maintaining proper energy metabolism,
  • B1 helps in the proper functioning of the nervous system,
  • B1 helps in the proper functioning of the heart.

Vitamin B3 niacin:

  • B3 helps in the proper functioning of the nervous system,
  • B3 contributes to maintaining proper energy metabolism,
  • B3 helps in maintaining proper psychological functions,
  • B3 helps in maintaining the proper condition of mucous membranes,
  • B3 helps maintain healthy skin,
  • B3 contributes to reducing feelings of tiredness and fatigue.

Vitamin B5 pantothenic acid:

  • B5 contributes to maintaining proper energy metabolism,
  • B5 contributes to the proper synthesis and metabolism of steroid hormones, vitamin D, and certain neurotransmitters.

Vitamin B6 pyridoxine:

  • B6 helps in maintaining proper psychological functions,
  • B6 helps in the proper functioning of the immune system,
  • B6 contributes to reducing feelings of tiredness and fatigue,
  • B6 contributes to the regulation of hormonal activity (it is an essential cofactor in fatty acid metabolism),
  • B6 helps in the proper synthesis of cysteine,
  • B6 helps in the proper production of red blood cells,
  • B6 contributes to maintaining proper energy metabolism,
  • B6 helps in the proper functioning of the nervous system,
  • B6 helps in maintaining proper homocysteine metabolism,
  • B6 contributes to maintaining proper protein and glycogen metabolism.

Thyro Spectrum® DAY

Ingredient Amount per daily serving
2 capsules
L-Tyrosine 250 mg
Japanese Pagoda Tree flower extract (Sophora japonica L.) Quercefit®, standardized to 40% quercetin: 125 mg 125 mg
– including quercetin 50 mg
Indian Frankincense gum resin extract (Boswellia serrata) BOSWELLIN®, standardized to 70% boswellic acid and 2% AKBA 50 mg
– including boswellic acid 35 mg
Bladderwrack extract (Fucus vesiculosus), standardized to 0.1% iodine 25 mg
– including iodine 25 mcg 16% DV*
Vitamin B2 (riboflavin 5′-phosphate, sodium salt) 2,5 mg 16% DV*
Vitamin B9 ((6S)-5-methyltetrahydrofolic acid, glucosamine salt) Quatrefolic® 200 mcg 100% DV*
Vitamin B12 (hydroxycobalamin) 50 mcg 2000% DV*
Acacia fiber 36 mg
L-Leucine 5 mg

*DV – Daily Value

Ingredients: Magnesium bisglycinate, L-tyrosine, hydroxypropyl methylcellulose – plant-based capsule shell, Japanese Pagoda Tree flower extract Quercefit®, Indian Frankincense gum resin extract BOSWELLIN®, acacia fiber, bladderwrack extract, hydroxycobalamin, L-leucine, riboflavin 5′-phosphate sodium, (6S)-5-methyltetrahydrofolic acid glucosamine salt Quatrefolic®.

Gluten-free.

Amount per container: 60 capsules.

 

Thyro Spectrum® NIGHT

Ingredient Amount per daily serving
2 capsules
Myo-inositol 200 mg
Lemon balm extract (Melissa officinalis L.) 100 mg
Vitamin E (mixture of tocotrienols and tocopherols) DAVOSLIFE® 16,5 mg
Arctic root extract (Rhodiola rosea L.) 50 mg
Selenium (L-selenomethionine) Selenium SeLECT® 100 mcg
Zinc (zinc gluconate) 15 mg 150% DV*
Manganese (manganese gluconate) 250 mcg 12,5% DV*
Copper (copper(II) gluconate) 250 mcg 25% DV*
Vitamin B1 (thiamine pyrophosphate chloride) 5 mg 454,5% DV*
Vitamin B3 (nicotinamide) 10 mg 62,5% DV*
Vitamin B5 (D-pantothenate, calcium) 5 mg
Vitamin B6 (pyridoxine hydrochloride) 2,5 mg 12,5% DV*
Acacia fiber 33,8 mg
L-Leucine 5 mg

*DV – Daily Value

Ingredients: myo-inositol, hydroxypropyl methylcellulose – plant-based capsule shell, zinc gluconate, lemon balm leaf extract, DAVOSLIFE mixture of tocotrienols and tocopherols, arctic root extract, acacia fiber, L-selenomethionine Selenium SeLECT®, niacin, thiamine pyrophosphate chloride, D-pantothenate calcium, L-leucine, pyridoxine hydrochloride, manganese gluconate, copper (II) gluconate.

Gluten-free.

Amount per container: 30 vegan capsules.

Recommended Daily Dosage

Thyro Spectrum® DAY: 2 capsules.
Thyro Spectrum® NIGHT: 1 capsule.

Suggested Use

Thyro Spectrum® DAY should be consumed on an empty stomach or 30–60 minutes before a meal (amino acids compete with each other for transport across the blood-brain barrier). Taking tyrosine without other amino acids (especially from protein) increases its effective absorption and delivery to the brain.

Thyro Spectrum® NIGHT should be consumed in the evening, during or after a meal.

Capsule Size

Thyro Spectrum® DAY: Capsule size “0”, length 21 mm. Vitamin B2 may discolor the capsule entirely or partially, giving it an intense orange color. If emptied from the capsule, the powder has a very intense, bitter taste.

Thyro Spectrum® NIGHT: Capsule size “00”, length 22 mm. If emptied from the capsule, the powder has a very intense, bitter taste.

Do not exceed suggested use. Dietary supplements should not replace a varied diet. The product is recommended for adults.

Warning: if pregnant or nursing, consult your doctor before use.

Keep away from the sun at a temperature below 25°C in the original packaging, out of reach of small children. Store the product in a dry place.

Production lot number / Best before – see the unit label (left side of the label).

Batch tests performed towards:

  • Microbiology: presence of Listeria, Staphylococcus, Escherichia coli and coliform bacteria, Salmonella, molds, yeasts, and total aerobic microbial count,
  • Presence of: echimidine and heliosupine, erucifoline, europine, heliotrine, intermedine, jacobine, lasiocarpine, lycopsamine and indicine, monocrotaline, echimidine N-oxide, erucifoline N-oxide, europine N-oxide, heliosupine N-oxide, heliotrine N-oxide, intermedine N-oxide, indicine N-oxide, echinatine N-oxide, rinderine N-oxide, jacobine N-oxide, lasiocarpine N-oxide, lycopsamine N-oxide, monocrotaline N-oxide, retrorsine N-oxide, usaramine N-oxide, senecionine N-oxide, integerrimine N-oxide, senecivernine N-oxide, seneciphylline N-oxide, spartioidine N-oxide, retrorsine, usaramine, rinderine and echinatine, seneciphylline, spartioidine, senecivernine, integerrimine, senecionine, senkirkine, trichodesmine, atropine, scopolamine,
  • Presence of pyrrolizidine and tropane alkaloids,
  • Heavy metals (arsenic, cadmium, lead, mercury),
  • Pesticides,
  • Ethylene oxide and 2-chloroethanol,
  • Gluten content.

Testing was performed at the independent, accredited GBA Polska Laboratory – Accreditation Certificate No. AB 1095, and at the National Institute of Horticultural Research – Accreditation Certificate No. AB 757.

GBA POLSKA    PCA - Polskie Centrum Akredytacji

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Challenges for proper thyroid function

The thyroid plays a central role in the regulation of the body’s energy metabolism, as thyroid hormones—thyroxine ($T4$) and triiodothyronine ($T3$)—influence the basal metabolic rate, cellular oxygen consumption, and the production of ATP in the mitochondria. These processes are particularly intensive during the day, when the body’s demand for energy and metabolic efficiency is at its highest.

During the day, thyroid hormones affect the functioning of the nervous system, supporting concentration, alertness, and the ability to adapt to stress. They also regulate thermogenesis and the management of energy substrates, enabling the efficient utilization of glucose and fatty acids. Therefore, proper thyroid activity is crucial for maintaining physical and cognitive performance during daily activities.

Chronic stress and persistent activation of the nervous system during the night can disrupt the physiological regulation of neuroendocrine axes, including the HPT (hypothalamic-pituitary-thyroid) axis. Excessive stress activity is associated with circadian rhythm disruptions and changes in the secretion of regulatory hormones.

Ingredients such as lemon balm extract and magnesium (magnesium bisglycinate) support the calming of the nervous system and neurohormonal balance, which indirectly promotes proper conditions for the night-time regulation of thyroid function. While this effect is indirect, it is well-documented within the context of the physiology of stress and sleep.

Thyroid-supporting ingredients act through multiple pathways, covering both the synthesis of thyroid hormones and their actions at the cellular level. L-tyrosine and iodine provide the essential substrates for the production of T4 (thyroxine) and T3 (triiodothyronine), while magnesium and B-group vitamins support enzymatic reactions related to energy metabolism.

Active forms of folates and vitamin B12 participate in methylation processes and DNA synthesis, which are necessary for proper cell regeneration. Meanwhile, compounds with anti-inflammatory and antioxidant properties, such as quercetin and boswellic acids, help protect thyroid tissues from oxidative stress and excessive inflammatory activation, supporting their structural integrity.

Rhodiola rosea L. (Arctic root) is highly susceptible to fungi and molds, particularly Botrytis and root rot. Furthermore, Rhodiola has a long growing cycle—the root only reaches its full raw material value after 3–5 years. This means it is exposed to agrotechnical treatments, including chemical protection, for several years.

Rhodiola is a root plant, and it is specifically the roots and rhizomes that are used as raw material. Roots have a tendency to accumulate pesticides and heavy metals from the soil much more than the above-ground parts of the plant.

At LABS212®, we are very selective when choosing raw materials, which are tested both as individual ingredients and as a finished product. Thyro Spectrum® NIGHT shows full purity in terms of pesticides, containing no exceedances and not even any residues. Link to the test in tab “tests”.

The night serves as a critical period for regenerative processes and hormonal regulation, including thyroid function. During sleep, repair mechanisms intensify, nervous system activity normalizes, and biological rhythms synchronize, which is vital for maintaining metabolic balance.

Proper thyroid function during the night supports the stabilization of the hypothalamic-pituitary-thyroid (HPT) axis and promotes optimal hormone secretion regulation. Disruptions in these processes can lead to decreased sleep quality, difficulty falling asleep, shallow sleep, or night-time nervous system arousal, all of which negatively impact the body’s recovery.

During sleep, the body enters a state of reduced energy demand, focusing instead on replenishing energy stores and cellular regeneration. Thyroid hormones play an essential role in coordinating these processes by influencing the rate of metabolic turnover, mitochondrial function, and neurohormonal balance.

Targeted support for thyroid function during night-time hours promotes nervous system calming, stabilization of hormonal processes, and improved regeneration efficiency. Regular, high-quality sleep combined with supporting nocturnal metabolic mechanisms helps maintain hormonal homeostasis, leading to better well-being, a healthy circadian rhythm, and optimal thyroid performance throughout the day.

High doses of iodine are generally considered contraindicated and potentially harmful in Hashimoto’s disease. In individuals with autoimmune thyroiditis, iodine intake exceeding physiological requirements may contribute to adverse effects and exacerbate thyroid dysfunction.

The iodine included in Thyro Spectrum® is present at a moderate level – 16% of the recommended daily intake for a healthy adult. This means that a substantially higher intake would be required to reach the full daily requirement. However, in the context of Hashimoto’s disease, it is generally advised not to exceed 100% of the daily iodine requirement, making controlled, physiologically aligned intake particularly important.

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