Name: Thyro Spectrum® Day
SKU: 205-1
Availability: InStock

Product description

Thyro Spectrum® DAY dietary supplement is a carefully formulated blend of active ingredients designed to support thyroid function during the day, intended for morning use.

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.

Supplement facts

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.

Suggested use

Take 2 capsules daily.

Recommended intake: 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.

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.

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.

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).

Tests

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.

Daytime challenges for optimal 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.

Disruptions in thyroid function can lead to a reduced rate of cellular metabolism, resulting in lower energy production and diminished ability of the body to adapt to both physical and mental exertion. At the biochemical level, this is associated with decreased mitochondrial activity and reduced ATP synthesis.

In practical terms, this may present as persistent fatigue, psychomotor slowing, and reduced concentration. Additionally, disturbances in body weight regulation may occur due to inefficient utilization of energy substrates, along with unfavorable changes within the hypothalamic–pituitary–thyroid axis.

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.

Daytime thyroid support may be especially important for individuals exposed to high metabolic and stress-related demands, which increase the body’s need for adequate thyroid hormone activity and efficient energy regulation.

Support may be beneficial for those experiencing low energy levels, difficulty concentrating, or reduced tolerance to physical or mental effort. Maintaining proper hormonal balance supports metabolic stability, efficient energy utilization, and overall performance throughout the day.

The thyroid plays a fundamental role in regulating energy metabolism, energy levels, and nervous system activity. Thyroid hormones – primarily thyroxine (T4) and triiodothyronine (T3) – modulate basal metabolic rate, thermogenesis, cellular oxygen consumption, and cognitive function, making proper thyroid function particularly important during the day.

The morning represents a transition period from regenerative processes to increased metabolic activity. When thyroid function is impaired, this adaptation may be less efficient, potentially resulting in reduced cellular energy production, fatigue, psychomotor slowing, and decreased concentration. Insufficient synthesis or conversion of thyroid hormones may also lead to a slower metabolic rate and disruptions in body weight regulation.

Throughout the day, the thyroid helps adjust the intensity of metabolic processes to the body’s current needs, including energy demand, glycemic stability, and nervous system performance. Supporting normal thyroid function contributes to hormonal balance, efficient use of energy substrates, and an appropriate physiological response to stress and physical activity.

An integrated – approachcombining a healthy lifestyle, balanced nutrition, and targeted daytime nutritional support – can help maintain energy homeostasis, cognitive performance, and metabolic efficiency.

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.