Thyroid Essentials
Swanson
Thyroid Essentials
4.7
★ ★ ★ ★ ★
(536 ratings)
Vitamin B6 25 mg
Copper 2 mg
Thiamin 25 mg
Vitamin B5 25 mg
Riboflavin 25 mg
Tyrosine 150 mg
Iodine 100 mcg
Score 75.0
Swanson Thyroid Essentials provides a good blend of essential minerals and B vitamins crucial for thyroid health, energy, and cognitive function. It offers a comprehensive approach to support metabolism and general well-being, though some ingredient forms could be improved for better absorption.
Quantity: 90 Capsule(s)Servings size: 1 Capsule(s) (90 servings)
Selected goals:
Other goals:
Energy
Brain Health
Mood Support
General Health
Immunity
leaderboard Score 75.0
Swanson Thyroid Essentials provides a good blend of essential minerals and B vitamins crucial for thyroid health, energy, and cognitive function. It offers a comprehensive approach to support metabolism and general well-being, though some ingredient forms could be improved for better absorption.
insights Analysis
Swanson Thyroid Essentials is formulated to support thyroid function and related metabolic and cognitive processes. It provides key nutrients like Iodine and L-Tyrosine, essential for thyroid hormone synthesis, and Selenium, which is critical for the conversion of T4 to active T3 hormone. The inclusion of Zinc and Copper further supports metabolic pathways. Additionally, a full spectrum of B vitamins contributes to energy metabolism, nervous system health, and stress response. While the presence of Coleus forskohlii suggests a metabolism boost aim, its direct impact on thyroid function for overall health beyond weight management is less established. The forms of some minerals like Zinc Oxide and Magnesium Oxide are less absorbable than other common forms like citrate or picolinate, which somewhat diminishes the product's overall quality. Despite this, the combination of ingredients at this price point makes it a valuable option for general thyroid and energy support.
- Contains essential minerals (Iodine, Selenium, Zinc, Copper) and L-Tyrosine crucial for thyroid hormone production and conversion.
- Includes a comprehensive range of B vitamins which are vital for energy metabolism and neurological health.
- Selenium is provided in a well-absorbed form (Selenomethionine).
- The price per serving is reasonable for a multi-ingredient thyroid support formula.
- Online reviews frequently report perceived improvements in energy levels and overall thyroid support.
- Some mineral forms, such as Zinc Oxide and Magnesium Oxide, have lower bioavailability compared to chelated forms.
- The dosage of Folate (40mcg DFE) is notably low and unlikely to provide significant benefit.
- Magnesium content (25mg) is very low for typical daily requirements or targeted benefits.
- The product broadly claims support for numerous goals (e.g., Vision, Testosterone, Anti-Aging) that are not strongly backed by its specific ingredient profile and dosages.
- Individuals with diagnosed thyroid conditions or those taking thyroid medications should consult a healthcare professional before use, as iodine and other ingredients can interact with medication or exacerbate certain conditions.
- While 100mcg of Iodine is generally safe, excessive iodine intake can negatively impact thyroid function in susceptible individuals.
- The repeated listing of ingredients in the provided data may be a data entry error; it's assumed the listed quantity is per single serving.
$10.59($0.11 per serving)
 iHerb | $ 10.59 |
bolt Effectiveness for goals
Iodine is a crucial mineral required by the thyroid gland to produce thyroid hormones, specifically thyroxine (T4) and triiodothyronine (T3). These hormones regulate metabolism, energy production, and many other bodily functions. Kelp is a natural source of iodine.
Selenium is a trace mineral vital for the activity of enzymes called deiodinases, which convert T4 into the more active T3 hormone. It also acts as an antioxidant, helping to protect the thyroid gland from oxidative stress. This dual role makes it important for optimal thyroid hormone activity.
L-Tyrosine is an amino acid that serves as a fundamental building block for thyroid hormones. It combines with iodine within the thyroid gland to synthesize T3 and T4. This amino acid is also a precursor for several important neurotransmitters.
Zinc is involved in thyroid hormone synthesis and the conversion of T4 to T3, while copper is also essential for overall thyroid function. Maintaining a balanced ratio between these two minerals is important, as high intake of one can sometimes affect the absorption or utilization of the other. Both are trace minerals required for numerous enzymatic processes.
Forskolin, derived from Coleus forskohlii, has been studied for its ability to activate adenylate cyclase, an enzyme that increases cyclic AMP (cAMP) levels in cells. This mechanism is involved in various cellular processes, including fat metabolism and energy expenditure. Research on its direct impact on human thyroid function is ongoing.
schedule Dosage, timing & forms
Zinc and copper can compete for absorption if taken in high doses simultaneously. Maintaining an appropriate ratio, generally around 8:1 to 15:1 zinc to copper, is often suggested. Taking them a few hours apart can also be considered if absorption concerns are high.
Many B vitamins play a role in energy metabolism, leading some individuals to prefer taking them in the morning or early afternoon with food. While individual responses vary, taking them too close to bedtime might potentially interfere with sleep for some.
L-Tyrosine is an amino acid often recommended to be taken on an empty stomach to enhance its absorption. This typically means taking it 30-60 minutes before a meal or at least two hours after. Taking it with protein-rich meals might reduce its absorption due to competition with other amino acids.
Supplements often provide varying amounts of iodine from sources like kelp; for example, 100 mcg is a common dose per serving. The recommended dietary allowance (RDA) for iodine for most adults is 150 mcg per day. Kelp is a natural source of this essential trace mineral.
Selenomethionine is an organic form of selenium known for its high bioavailability and efficient absorption by the body. It is generally considered to be well-absorbed and utilized compared to inorganic forms of selenium.
health_and_safety Safety & interactions
Individuals with existing thyroid conditions, especially hyperthyroidism or autoimmune thyroid disease, should consult a healthcare professional before taking iodine. Iodine can interact with thyroid medications, potentially altering their effectiveness. Excessive iodine intake can also exacerbate certain thyroid conditions.
L-Tyrosine may interact with certain medications, including thyroid hormones, MAO inhibitors (MAOIs), and levodopa for Parkinson's disease. It is advisable to consult a healthcare provider if you are taking any of these medications. L-Tyrosine can influence neurotransmitter levels.
Coleus forskohlii may interact with medications that affect blood pressure, such as beta-blockers or calcium channel blockers, and blood thinners like warfarin due to its potential effects on blood clotting. It may also lower blood pressure. Consult a healthcare professional if you are on such medications.
High doses of zinc over a prolonged period can interfere with copper absorption and potentially lead to copper deficiency. The ratio of zinc to copper in a supplement is important for maintaining mineral balance. It's generally recommended to ensure adequate copper intake when supplementing with higher doses of zinc.
While B vitamins are generally water-soluble, very high doses of certain B vitamins can cause side effects. Excessive Vitamin B6 (pyridoxine) can lead to nerve damage, and high doses of Niacin (niacinamide) may cause flushing, itching, or gastrointestinal upset. Always adhere to recommended dosages.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Thiamine | 25 mg |
Riboflavin | 25 mg |
Niacin | 25 mg NE |
Vitamin B6 | 25 mg |
Folate | 40 mcg DFE |
Vitamin B12 | 25 mcg |
Pantothenic Acid | 25 mg |
Iodine | 100 mcg |
Magnesium | 25 mg |
Zinc | 25 mg |
Selenium | 50 mcg |
Copper | 2 mg |
L-Tyrosine | 150 mg |
Coleus forskohlii | 50 mg |
Categories
Thiamin 80.0
The product provides a substantial 50mg of Thiamine (Vitamin B1), which is well above the daily recommended intake and supports its energy and metabolism goals by playing a critical role in carbohydrate metabolism.
Vitamin B6 75.0
At 25mg, Vitamin B6 is present in a good dosage to support neurotransmitter synthesis, protein metabolism, and overall nervous system health, aligning well with the brain health and mood support goals.
Riboflavin 75.0
Providing 25mg of Riboflavin (Vitamin B2), the supplement offers a strong dose for supporting energy production, cellular growth, and the metabolism of fats, drugs, and steroids.
Goals
Energy 85.0
The product contains a robust blend of B vitamins (Thiamine, Riboflavin, Niacin, Pantothenic Acid, B6, B12) which are critical cofactors in cellular energy production and metabolism. L-Tyrosine also contributes by supporting neurotransmitters that influence energy levels.
Metabolism Boost 85.0
Iodine, Selenium, Zinc, and L-Tyrosine are directly involved in the synthesis and conversion of thyroid hormones, which are central regulators of metabolism. Coleus forskohlii is also included, often associated with metabolic support and fat burning.
Brain Health 80.0
L-Tyrosine is a direct precursor to several key neurotransmitters like dopamine and norepinephrine, which are essential for cognitive function and mental clarity. The comprehensive B-complex also plays a vital role in nerve function and overall brain metabolism.