Solaray: Adrenal Caps 60ct 170mg

Adrenal Caps - 60ct 170mg



by   Solaray
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UPC: 076280051001
# 5100

Can Adrenal Glandular Supplement Help Support Healthy Adrenal Glands?

Your adrenal glands—bilateral pyramidal endocrine glands situated atop each kidney—orchestrate your body's neuroendocrine response to physiological, mental, and environmental stress. Through the Hypothalamic-Pituitary-Adrenal (HPA) axis, the adrenal cortex and medulla synthesize and secrete essential steroid hormones and catecholamines, including cortisol, aldosterone, dehydroepiandrosterone (DHEA), epinephrine, and norepinephrine.

Under chronic physical strain or prolonged psychological demands, sustained HPA-axis stimulation can alter the normal diurnal cortisol rhythm (the natural morning peak and evening decline). When this endocrine equilibrium is disrupted, individuals frequently experience unrefreshing sleep, mental fog, afternoon lethargy, and diminished stress tolerance. Solaray Freeze-Dried Adrenal Caps™ (170 mg per capsule / 340 mg per serving) combines freeze-dried bovine adrenal glandular tissue with synergistic, adaptogenic botanical activators to provide targeted raw tissue nutrients, preserve endogenous adrenal activity, and maintain metabolic equilibrium.

Mechanisms of Action: How Adrenal Caps Support the Neuroendocrine System

Unlike single-agent adrenal supplements, Solaray Adrenal Caps features a multi-pathway formulation designed to address both glandular nutrition and systemic stress response:

  • Lyophilized (Freeze-Dried) Bovine Glandular Support: Prepared through low-temperature lyophilization to preserve naturally occurring cellular enzymes, trace minerals, and protein polypeptide fractions. In biological nutrition, glandular concentrates provide foundational building blocks (tissue-specific nucleoproteins and peptides) to support cellular turnover and metabolic function without administering pharmacological hormone concentrations.
  • Cortisol Conservation via Licorice Root (Glycyrrhiza glabra): Licorice root contains the triterpenoid saponin glycyrrhizin. Research shows glycyrrhizin and its metabolite, glycyrrhetinic acid, transiently modulate the enzyme 11-beta-hydroxysteroid dehydrogenase type 2 (11ß-HSD2). By inhibiting the rapid conversion of active cortisol into inactive cortisone in peripheral tissues, it helps sustain physiologic cortisol signaling when endogenous output is under prolonged demand [1].
  • Adaptogenic HPA Axis Stabilization via Eleuthero Root (Eleutherococcus senticosus): Known as Siberian Ginseng, eleuthero contains bioactive eleutherosides B and E. Clinical pharmacology classifies eleuthero as a true adaptogen that stabilizes the stress response by mitigating hyperactivation of the sympathetic nervous system and optimizing cellular heat shock proteins (Hsp70) under acute exhaustion [2].
  • Nervous System Calming via Gotu Kola (Centella asiatica): Providing concentrated triterpenic fractions (asiaticoside and madecassoside), Gotu Kola acts centrally to foster neuroprotection and encourage GABAergic signaling, moderating the restless autonomic agitation frequently associated with prolonged nervous tension [3].
  • Oxidative Stress Reduction with Clove Flower (Syzygium aromaticum): High concentrations of eugenol and phenolic polyphenols neutralize lipid peroxidation and cellular free radicals generated during periods of intense physiological stress and high metabolic throughput.
  • Cellular Hydration & Biochemic Cell Salts: The formula is fortified with classical biochemic mineral salts (Calcium Phosphate 3x, Potassium Phosphate 3x, Sodium Chloride 6x, and Iron Pyrophosphate) to aid membrane electrolyte balance, cellular osmolarity, and micronutrient transport.

Clinical Perspective: Adrenal Function vs. Adrenal Insufficiency

Important Health Notice: In mainstream clinical endocrinology, professional bodies such as the Endocrine Society distinguish between functional stress-induced fatigue and primary/secondary adrenal insufficiency (such as Addison’s disease, a life-threatening medical disorder characterized by the autoimmune or structural destruction of the adrenal cortex).

Dietary supplements, including Solaray Adrenal Caps, are intended to support general vitality, healthy diurnal stamina, and the body's natural resilience to routine biological stressors. They are not hormone replacement drugs and are not formulated to diagnose, treat, cure, or manage clinical adrenal crises or endocrine pathology. If you suffer from extreme chronic hypotension, severe dizziness, unexplained skin hyperpigmentation, or persistent vomiting, consult an endocrinologist immediately.

Complete Ingredient Listing & Supplement Facts

Every batch of Solaray Adrenal Caps is manufactured under current Good Manufacturing Practices (cGMP), verified by comprehensive in-house laboratory testing for identity, purity, potency, and the strict absence of microbiological contaminants and heavy metals.

Supplement Facts

Serving Size: 2 VegCaps

Servings Per Container: 30 (60 VegCaps Total / 170 mg bovine concentrate per cap)

Amount Per Serving Amount % Daily Value
Adrenal (bovine source) 340 mg *
Adrenal Caps™ Proprietary Herb Activators™ Base: 430 mg *
Eleuthero (Eleutherococcus senticosus) (root), Licorice (Glycyrrhiza glabra) (root), Gotu Kola (Centella asiatica) (aerial parts), Clove (Syzygium aromaticum) (flower bud)

* Daily Value (DV) not established.

Other Ingredients: Vegetable Cellulose Capsule (hydroxypropyl methylcellulose), Calcium Phosphate 3x, Iron Pyrophosphate, Potassium Phosphate 3x, and Sodium Chloride 6x.

Formula Attributes: Freeze-dried (lyophilized) to safeguard delicate bioactive peptides; non-GMO; free from artificial colorings, artificial flavorings, chemical preservatives, and synthetic binders.

Recommended Usage, Chronobiology & Safety Protocol

Optimal Timing & Directions

Take two (2) VegCaps daily with a glass of water, ideally in conjunction with breakfast or lunch. Because this formula supports cellular energy and contains botanical activators that support natural cortisol output, it is best taken earlier in the day to align with the body’s circadian hormone rhythms. Avoid taking this supplement late in the evening to prevent potential sleep disruption.

Contraindications, Drug Interactions & Precautions

  • Blood Pressure Considerations: Because Licorice root (Glycyrrhiza glabra) inhibits 11ß-HSD2, prolonged high-dose use can cause sodium retention, potassium loss, and elevated blood pressure. Individuals with hypertension, cardiac arrhythmias, or kidney disease should consult their physician before use.
  • Prescription Medications: Do not combine with prescription corticosteroids (e.g., prednisone, hydrocortisone), antihypertensives, loop diuretics, or digoxin without direct medical supervision.
  • Pregnancy & Lactation: Not recommended for pregnant or nursing mothers due to botanical components that have uterine-stimulating or hormonal effects.
  • Storage: Store tightly capped in a cool, dry place away from heat, humidity, and direct sunlight. Keep out of reach of children.

Peer-Reviewed Scientific References & Clinical Literature

  1. Whorwood, C. B., et al. (1993). Liquorice inhibits 11 beta-hydroxysteroid dehydrogenase messenger ribonucleic acid expression and activity. Endocrinology, 132(6), 2287–2292. DOI: 10.1210/endo.132.6.8504732.
  2. Panossian, A., & Wikman, G. (2010). Effects of Adaptogens on the Central Nervous System and the Molecular Mechanisms Associated with Their Stress-Protective Activity. Pharmaceuticals (Basel), 3(1), 188–224. DOI: 10.3390/ph3010188.
  3. Gohil, K. J., et al. (2010). Pharmacological Review on Centella asiatica: A Potential Herbal Cure-all. Indian Journal of Pharmaceutical Sciences, 72(5), 546–556. PMCID: PMC3116297.
  4. Endocrine Society. (2016). The Myth of Adrenal Fatigue: Clinical Consensus on Adrenal Function and Testing. Endocrine Facts and Guidance Statements.

Frequently Asked Questions About Solaray Adrenal Caps

What are Solaray Adrenal Caps used for?

Solaray Adrenal Caps are formulated to support the normal function of the adrenal glands, improve resistance to physical and emotional stress, and maintain steady, jitter-free daytime energy. They combine lyophilized bovine adrenal tissue with adaptogenic botanicals (eleuthero and licorice) to support the body's neuroendocrine balance and HPA-axis regulation.

How does bovine adrenal glandular extract work?

Bovine glandular extracts provide specific nutritional building blocks, including peptides, trace minerals, enzymes, and nucleoproteins derived directly from the adrenal tissue of cattle. Freeze-drying (lyophilization) preserves the bioactivity of these components without introducing pharmacological hormone spikes, supplying the physiological raw materials required for normal endocrine maintenance.

What is the difference between adrenal fatigue and adrenal insufficiency?

Adrenal insufficiency (such as Addison's disease) is a diagnosable, clinically measurable medical condition caused by the structural damage or failure of the adrenal glands to produce cortisol and aldosterone. "Adrenal fatigue" is a non-clinical term used in holistic wellness to describe stress-induced HPA-axis dysregulation and diurnal cortisol disruption. Solaray Adrenal Caps are a dietary supplement for everyday stress and energy balance—they are not a treatment for Addison’s disease or primary adrenal insufficiency.

What is the best time of day to take Adrenal Caps?

It is recommended to take 2 capsules in the morning with breakfast or split between breakfast and early lunch with a glass of water. Because the formula contains adaptogens and nutrients that support daytime alertness and natural cortisol rhythms, taking it later in the afternoon or before bed may disrupt sleep.

Can Adrenal Caps raise blood pressure?

This supplement contains licorice root (Glycyrrhiza glabra), which modulates the enzyme 11ß-HSD2. In high amounts or over extended periods, this can cause mild sodium retention and increased blood pressure in sensitive individuals. Those diagnosed with hypertension, kidney conditions, or cardiovascular disease should monitor their blood pressure and consult their physician before starting this product.

How long does it take to feel results from Adrenal Caps?

While some users experience improved stamina, sharper focus, and better stress resilience within 3 to 7 days, adaptogenic herbs and glandular tissue concentrates generally work cumulatively over 4 to 8 weeks. Periodic re-evaluation with a qualified healthcare provider is advised for any long-term supplement regimen.

As a dietary supplement, take 2 capsules daily.
Helpful Customer Reviews
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Review of Adrenal Caps - Solaray Product 5100
Reviewed by Bob Dar
Sunday, May 8, 2011
Rating: 5/5

These Adrenal Caps are great and extremely cheap for the quantity. It works great and came shortly after I placed my order. I highly recommend this product for anyone looking to purchase Adrenal Caps, Solaray is definitely the way to go.

Bob Dar ,
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