MediNatura

ReBoost Zinc +13 Sore Throat Spray, 20 ml

Size: 20 Milliliters

4.4 across 4 sources

May be a fit for

  • Adults seeking zinc-based spray support for throat discomfort
  • Those wanting fast-acting homeopathic sore throat relief on-the-go
  • Individuals supporting upper respiratory comfort with zinc spray format
$15.99

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SprayFormat
20 mlPack size
The essentials

A closer look.

ReBoost Zinc +13 Sore Throat Spray by MediNatura is a homeopathic oral spray combining zinc with 13 additional active ingredients in a convenient 20 mL format. Designed for fast topical delivery to throat tissue, it supports comfort and recovery for those experiencing throat irritation and seasonal immune challenges.

Why It's Worth Considering: The spray delivery format allows direct mucosal contact, bypassing the need for swallowing capsules, a practical option when throat discomfort makes that difficult.

The Apotheca perspective

50+ signals. A clearer standard.

Our curation and trust scoring bring together manufacturing, testing, research, practitioner insight and reviews from across the web.

79OUT OF 100
Manufacturing5050
Lab verification7878
Transparency7070

Our score is an editorial assessment, not a product certification or a guarantee of results.

Inside the formula

Product details

Who it may suit

May be a fit for

  • Adults seeking zinc-based spray support for throat discomfort
  • Those wanting fast-acting homeopathic sore throat relief on-the-go
  • Individuals supporting upper respiratory comfort with zinc spray format
  • Parents looking for a non-drowsy zinc throat spray for mild irritation

Considerations

  • Taking copper supplements simultaneously (zinc depletes copper)
  • Chronic zinc supplementation above 40mg/day without copper balance
  • Taking antibiotics — separate by 2+ hours
Compatibility & interactions

Works Well With

Vitamin C
Synergistic immune support
Probiotics
Both support gut barrier function

Take Separately From

Iron
Compete for absorption. Take at different meals
What to expect over time
Week 1–2

Immune Activation

Enhanced T-cell and NK cell function

Week 2–4

Skin Improvement

Reduced inflammation, clearer skin

Month 1–2

Hormonal Balance

Optimized testosterone (in deficient men)

Month 2–3

Full Repletion

Serum zinc normalized

Based on clinical zinc supplementation research. Response varies by baseline zinc status.

Compare the options

Compare Zinc Forms

Which form absorbs best?

FeaturePicolinateBisglycinateCitrateCarnosineGluconate
BioavailabilityHighestHighModerateModerateLow
Best ForGeneral, immuneGI-gentleBudget optionGut healing (H. pylori)Lozenges (cold)
GI ToleranceGoodExcellentGoodExcellentFair
EvidenceStrongStrongModerateStrong (GI-specific)Moderate
Explore complementary products
From across the web

Real reviews. A wider perspective.

Customer reviews, social conversations and expert insights, with every source in view.

4.4/5Aggregate source rating
Marketplaces & brand websites
Amazon, iHerb and direct brand reviews
Social & community
Reddit, X, Instagram and TikTok
Video & creators
YouTube and creator perspectives

Coverage varies by product and brand.

284 product and brand ratings and mentions across 4 sources.

Explore the source sentiment summary

Zinc widely praised for immune, hormonal, and general health benefits, but dosage safety and copper depletion are recurring concerns.

This summary includes broader brand discussion. Individual experiences are not evidence of product effectiveness.

Good to know

A few useful answers.

Research & further reading

More category questions

How much zinc should I take daily?

For maintenance, 15-30mg of elemental zinc daily. For immune support during illness, up to 50mg for 1-2 weeks. The tolerable upper limit is 40mg/day for long-term use. Always balance with 2mg copper per 30mg zinc to prevent copper depletion.

What is the best form of zinc?

Zinc picolinate has the highest bioavailability in clinical studies. Zinc bisglycinate (chelated) is the most GI-friendly. Zinc carnosine is specifically indicated for gut healing and H. pylori. Zinc gluconate is primarily used in cold lozenges for topical throat contact. Avoid zinc oxide (poorly absorbed).

Can zinc help with acne?

Yes. Multiple studies show 30mg zinc gluconate or picolinate daily reduces inflammatory acne by 30-50% over 3 months. Zinc reduces sebum production, fights acne-causing bacteria, and modulates inflammation. It's comparable to low-dose antibiotics for mild-moderate acne.

Should I take zinc on an empty stomach?

No — zinc on an empty stomach commonly causes nausea. Take with food. However, avoid taking with high-phytate foods (whole grains, legumes) or calcium-rich foods as they reduce zinc absorption. A small meal with some protein is ideal.

Does zinc affect testosterone?

In zinc-deficient men, supplementation can significantly increase testosterone (one study showed a 73% increase over 6 months of repletion). In men with adequate zinc, the effect is minimal. Zinc supports the enzyme 5-alpha reductase and is concentrated in the prostate gland. Athletes who sweat heavily often have marginal zinc status.

Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.

MediNatura - ReBoost Zinc +13 Sore Throat Spray, 20 ml MediNatura

Apotheca quality score

79/100

The overall score combines several sources of information. The individual dimensions below show where those signals are stronger or more limited; they are not a simple average of the overall score.

Manufacturing5050
Lab verification7878
Review consensus92.192.1
Practitioner signals45.045.0
Community signals5252
Transparency7070
See available brand signals
✓
Good manufacturing practices verifiedStandard
✓
Quality ingredients with verified sourcingGood
✓
Clean FDA regulatory recordNo issues
✓
Positive consumer reviews and community feedbackGood
✓
Authorized distribution channel verifiedDirect

Our score is an editorial assessment, not a product certification or a guarantee of results.

How our scoring works ↗