Supplements

TheraNaturals Review: Glutathione Capsules, I3C and DIM, Essential Oils and Saline From a Small US Shop

Glutathione-focused supplements, essential oils and saline products from North Dakota.

InhouseHeal editorial teamUpdated 4 min read
TheraNaturals product photo
Photo: TheraNaturals.
Quick verdict

TheraNaturals is a small, specialist shop with clearly dosed glutathione capsules, I3C and DIM, low-cost essential oils and saline products, plus phone support and worldwide shipping. However, a few items in the catalog, such as germanium and very high-dose melatonin, raise safety questions, and some marketing has historically linked products to medical conditions.

What we like

  • Clearly labeled glutathione doses, from 200 mg to 500 mg per capsule
  • GSH-Curc combines glutathione with curcumin, NAC and selenium in one capsule
  • Affordable essential oils, from about $6.75
  • Ships to more than 220 countries, with a toll-free customer service line
  • Niche products such as I3C and DIM that mainstream stores may not stock

Keep in mind

  • Sells germanium sesquioxide, an ingredient with known safety concerns
  • Some products and past marketing have been linked to specific diseases
  • Little published information on manufacturing or third-party testing
  • Only a PO box is listed as the company address

TheraNaturals is a small online health shop with a narrow but distinctive catalog. Its best-known products are reduced glutathione capsules in several strengths, alongside indole-3-carbinol (I3C) and DIM, a handful of herbal formulas, essential oils, saline solution and a nasal sprayer. It also has a history of selling kefir starter kits under the Sokii name.

We looked at the products, the doses, the pricing and the policies, and flagged the items that need extra care. TheraNaturals can be a useful source for specific supplements, but this is a store where you should choose individual products deliberately rather than browse freely.

Who is TheraNaturals?

TheraNaturals, Inc. lists a mailing address in Williston, North Dakota, and offers a toll-free phone line staffed on weekdays during Central business hours, which is more personal support than many online stores provide. Founder details and manufacturing information were not published on the pages we reviewed, and only a PO box is listed as an address.

The shop says it ships worldwide to more than 220 countries and has historically promised fast dispatch with email confirmation and tracking. Its product descriptions generally use wellness language such as immune, respiratory or detox support.

The glutathione range

Glutathione is the body's master antioxidant, made from three amino acids. Oral supplements have been debated because glutathione is partly broken down in digestion, though some studies suggest regular supplementation can raise body stores. TheraNaturals offers several clearly dosed options:

  • Reduced L-Glutathione Plus: 200 mg reduced glutathione with 55 mg sodium bicarbonate per capsule, about $43 for 100 capsules (also in a 50-count bottle).
  • GSH Caps: 500 mg reduced glutathione per capsule, about $53.
  • GSH-Curc Caps: 300 mg glutathione, 200 mg curcumin, 50 mg N-acetylcysteine (NAC), selenomethionine and vitamin C, about $53.95.

For most people, the 200 mg Plus formula is the gentler starting point. GSH-Curc is interesting because NAC is a building block the body uses to make its own glutathione.

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Other supplements

  • Indole-3-Carbinol (I3C): about $24.95. I3C is a compound from cruciferous vegetables such as broccoli and cabbage, studied for its effects on estrogen metabolism.
  • B3IM (DIM): 100 mg capsules, 100 per bottle, about $24.95. DIM is a compound the body makes from I3C.
  • Naturally Vitamin C: about $24.95, listing 1,144 mg vitamin C with 52 mg calcium.
  • MDS Forte: about $47, a liquid herbal blend with banaba, cinnamon, anise and Caribbean herbs, marketed for blood sugar support.
  • High Dose Melatonin 200: about $75.
  • Organic G: about $53.95, a germanium sesquioxide product.

We would advise caution with the last three. Blood sugar formulas should never replace diabetes care, high-dose melatonin is far beyond typical sleep doses, and germanium supplements have been linked to serious kidney problems, which is why we recommend avoiding Organic G.

Essential oils, saline and kefir

TheraNaturals also sells a small range of essential oils at budget prices: peppermint (about $6.75), eucalyptus (about $7.88), oregano (about $14.75) and frankincense (about $24.84). These are useful for diffusing or diluted topical use, but should not be swallowed. A pure saline solution in single-use 3 mL vials (about $10.95 per pack) and a nasal sprayer (about $12.50) round out the practical items.

The store has also sold Sokii kefir products, including a probiotic starter pack and a DIY kefir kit, though these were not prominent on the current homepage. A pet products section is listed as coming soon.

Capsules or liposomal: choosing a glutathione format

If glutathione is what brings you to TheraNaturals, it helps to understand the main formats on the market.

  • Standard capsules, like TheraNaturals' range, are simple, stable and usually the cheapest per milligram. Their main limitation is that some of the glutathione is broken down during digestion. Small studies have still found that daily doses in the 250 to 1,000 mg range taken for several months can raise glutathione levels in the body.
  • Liposomal liquids wrap glutathione in phospholipid spheres to protect it, and may absorb better, but they cost more and need refrigeration once opened.
  • Precursors such as NAC give the body the raw material to make its own glutathione, which is why combination products like GSH-Curc include it.

For a first try, a moderate-dose capsule taken consistently for two to three months is a reasonable, budget-friendly experiment. Whatever format you choose, keep a simple note of how you feel, and stop if you notice side effects such as bloating or cramping. People with asthma should be especially cautious with any inhaled or nebulized form of glutathione and use it only under medical supervision.

A note on health claims

Third-party coverage of TheraNaturals has linked its products to a long list of medical conditions, including viral infections, cancers and chronic diseases. Supplements are not approved to treat or prevent any disease, and the current homepage mostly uses general wellness language instead. If you are considering I3C, DIM or glutathione because of a diagnosis, such as abnormal cervical screening results, a hormone-sensitive condition or a lung disease, talk to your specialist first and use any supplement only alongside, not instead of, medical care.

Who it suits and our verdict

TheraNaturals suits informed shoppers who know exactly which product they want, such as a specific glutathione dose or I3C, and appreciate phone support and worldwide shipping. It is less suited to people who want broad, carefully curated catalogs with published lab testing.

Our verdict: the glutathione capsules are the store's strength, with clear doses at fair prices. Buy selectively, check the refund policy, skip germanium entirely, and involve your doctor if you are managing a health condition.

Calling the toll-free line before ordering is also a sensible way to confirm current stock, doses and shipping times to your country.

TheraNaturals products at a glance

ProductWhat it isPrice
Reduced L-Glutathione Plus200 mg reduced glutathione with 55 mg sodium bicarbonate per capsule; 100 capsules.about $43
GSH Caps 500 mgHigher-strength 500 mg reduced glutathione capsules.about $53
GSH-Curc CapsGlutathione with curcumin, NAC, selenium and vitamin C.about $53.95
Indole-3-Carbinol (I3C)Cruciferous vegetable compound studied for estrogen metabolism.about $24.95
Peppermint Essential OilBudget essential oil for diffusing or diluted topical use.about $6.75

Prices as listed on the brand's site at the time of our research and may change. Check the store for current pricing.

Health noteDo not use supplements to replace medical treatment. I3C and DIM can influence hormone metabolism and are not suitable during pregnancy or for hormone-sensitive conditions without medical advice. Germanium supplements have been linked to kidney damage and we advise avoiding them. Blood-sugar herbs can interact with diabetes medication, and high-dose melatonin should only be used with a doctor's guidance. Essential oils should be diluted and never swallowed.

TheraNaturals FAQs

Is TheraNaturals legit?

TheraNaturals is a long-running small online shop with a North Dakota mailing address, a toll-free phone line and worldwide shipping. Testing and manufacturing details are limited, so check labels carefully.

Which TheraNaturals glutathione should I choose?

The 200 mg Reduced L-Glutathione Plus is the gentler starting dose, GSH Caps provide 500 mg, and GSH-Curc adds curcumin, NAC and selenium. Ask your doctor which, if any, suits you.

Does TheraNaturals ship internationally?

Yes, the store says it ships to more than 220 countries.

Is germanium safe to take?

We do not recommend it. Germanium supplements have been associated with serious kidney damage, and regulators have warned against them.

Can I3C or DIM treat HPV or other conditions?

No supplement can treat disease. I3C and DIM have been researched for estrogen metabolism, but anyone with a diagnosis should follow their doctor's treatment plan and ask before adding supplements.

TheraNaturals · 3.8/5
Shoppers specifically looking for reduced glutathione capsules or I3C and DIM
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Disclosure: InhouseHeal may earn a commission if you buy through links on this page. Our score is based on research of the brand's products, evidence, pricing and policies. How we review.

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