Clinical. Purposeful. Syva Health.

Every product chosen for a reason.

Supplements, diagnostic tests, and digital protocols. Selected for clinical relevance and evidence. Nothing here by accident.

Browse productsPersonalised for members →
12
Supplements
8
Diagnostic Tests
4
Protocols & Programmes
Clinical-grade only
Every product reviewed for evidence.
Nothing by accident
Each product used in the protocol.
Coach-reviewed
Additions notify your health coach.
UK delivery
Dispatched within 2–3 working days.

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Clinical-grade supplements — Clinical-grade. Every form chosen for bioavailability.
12 products
Supplements

Clinical-grade. Every form chosen for bioavailability.

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Clinical-grade diagnostic tests — Home collection. Results uploaded direct to your record.
8 products
Diagnostic Tests

Home collection. Results uploaded direct to your record.

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Clinical-grade protocols & programmes — Structured digital guides built from the Syva methodology.
4 products
Protocols & Programmes

Structured digital guides built from the Syva methodology.

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All products

24 products

Selenium (selenomethionine) 200mcg
Supplement
Selenium (selenomethionine) 200mcg

Clinically evidenced for reducing TPO antibodies in Hashimoto's thyroiditis.

Thyroid supportImmune regulation
May interact with medications
£18.00View →
Magnesium Glycinate 400mg
Supplement
Magnesium Glycinate 400mg

Raises intracellular magnesium. Supports T4–T3 conversion, sleep, and nervous system regulation.

Thyroid supportSleep
May interact with medications
£22.00View →
Vitamin D3 with K2 — 5000IU
Supplement
Vitamin D3 with K2 — 5000IU

Therapeutic dose for immune modulation in autoimmune conditions. K2 directs calcium to bone.

Immune regulationThyroid support
£24.00View →
Omega-3 (EPA/DHA) 1000mg — triglyceride form
Supplement
Omega-3 (EPA/DHA) 1000mg — triglyceride form

Triglyceride-form omega-3 for superior bioavailability. Anti-inflammatory and immune-modulating.

Anti-inflammatoryImmune regulation
£34.00View →
L-Glutamine powder 500g
Supplement
L-Glutamine powder 500g

Primary fuel for gut lining cells. Foundational supplement in the gut healing protocol.

Gut healingIntestinal permeability
£26.00View →
Zinc Carnosine 75mg
Supplement
Zinc Carnosine 75mg

Specific clinical evidence for gut mucosal healing — synergistic with L-Glutamine.

Gut healingImmune regulation
May interact with medications
£28.00View →
High-potency probiotic 50 billion CFU
Supplement
High-potency probiotic 50 billion CFU

Clinical-strength multi-strain formula. Sequenced for maximum colonisation effect.

Gut healingMicrobiome restoration
£42.00View →
Ashwagandha KSM-66 extract 600mg
Supplement
Ashwagandha KSM-66 extract 600mg

Most clinically researched ashwagandha extract. Cortisol modulation, stress adaptation, HPA axis support.

Stress and adrenalHPA axis
May interact with medications
£20.00View →
N-Acetyl Cysteine (NAC) 600mg
Supplement
N-Acetyl Cysteine (NAC) 600mg

Glutathione precursor. Reduces oxidative stress in autoimmune conditions. Liver and gut support.

DetoxificationImmune regulation
May interact with medications
£24.00View →
Methylated B-complex (L-methylfolate + methylcobalamin)
Supplement
Methylated B-complex (L-methylfolate + methylcobalamin)

Bioavailable methylated forms that bypass MTHFR conversion. For fatigue, mood, and detoxification.

MethylationEnergy
£28.00View →
CoQ10 (Ubiquinol) 200mg
Supplement
CoQ10 (Ubiquinol) 200mg

Active ubiquinol form. Central to mitochondrial energy production. For chronic and post-viral fatigue.

Energy and mitochondriaAntioxidant
£38.00View →
Bone broth protein powder — unflavoured 300g
Supplement
Bone broth protein powder — unflavoured 300g

Collagen, gelatin, glycine, and proline — the amino acids the gut lining uses for repair.

Gut healingCollagen and joint
£32.00View →
Comprehensive thyroid panel
Diagnostic
Comprehensive thyroid panel

TSH, Free T4, Free T3, Reverse T3, TPO antibodies, Thyroglobulin antibodies.

Thyroid supportHashimoto's
£89.00View →
Full blood count and iron panel
Diagnostic
Full blood count and iron panel

Ferritin, serum iron, TIBC, transferrin saturation. The markers NHS routinely misses.

EnergyIron
£65.00View →
Inflammatory and autoimmune markers
Diagnostic
Inflammatory and autoimmune markers

hs-CRP, ESR, ANA, complement C3/C4, platelet count, white cell differential.

AutoimmuneInflammation
£75.00View →
Vitamin and mineral comprehensive panel
Diagnostic
Vitamin and mineral comprehensive panel

Vitamin D, B12, folate, magnesium (serum and RBC), zinc, selenium, copper, iodine.

DeficienciesEnergy
£95.00View →
Gut microbiome and digestive function analysis
Diagnostic
Gut microbiome and digestive function analysis

DNA-sequencing gut analysis. Calprotectin, zonulin, secretory IgA, full flora composition.

Gut healingMicrobiome
£295.00View →
Cortisol and adrenal function (4-point saliva)
Diagnostic
Cortisol and adrenal function (4-point saliva)

4-point cortisol across the day. DHEA-S. Cortisol awakening response. The full HPA axis picture.

Stress and adrenalHPA axis
£89.00View →
Genetic health panel (MTHFR, APOE, detox variants)
Diagnostic
Genetic health panel (MTHFR, APOE, detox variants)

MTHFR, APOE, CYP liver variants, COMT, VDR, SOD2. Protocol personalisation at genetic level.

MethylationGenetic predisposition
£195.00View →
Food sensitivity panel (IgG) — 96 foods
Diagnostic
Food sensitivity panel (IgG) — 96 foods

96 common foods tested for IgG antibody response. Guide for elimination protocol design.

Gut healingInflammation
£149.00View →
The gut healing protocol — 8-week guided programmeFounder pick
Programme
The gut healing protocol — 8-week guided programme

The protocol that preceded the Vital Synergy methodology. Built through 18 months of systematic self-experimentation.

Gut healingLeaky gut
£95.00View →
Understanding your thyroid — Hashimoto's patient guide
Programme
Understanding your thyroid — Hashimoto's patient guide

What Hashimoto's actually is, beyond the standard explanation. How to read your thyroid panel and what to ask your endocrinologist.

Thyroid supportHashimoto's
£45.00View →
The supplement timing guide
Programme
The supplement timing guide

Master timing reference for all common supplements. Interaction gaps, what cannot be taken together, printable schedule.

All conditions
£25.00View →
Preparing for your specialist appointment
Programme
Preparing for your specialist appointment

How to prepare for a 12-minute appointment, what to ask, and how to discuss integrative approaches with an NHS clinician.

All conditions
£20.00View →
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