Saliva-Based COVID-19 Antigen Rapid Test (25 tests)


Joinstar COVID-19 Antigen Rapid Test is suitable for the detection of the novel coronavirus in saliva, sputum and stool samples using our patent-pending technology for SARS-CoV-2 based S protein-ACE2 receptor (LATEX). It only takes 15 minutes to perform with no labs, instruments or chilled transport required for a much easier, convenient and faster detection than nucleic acid testing (RT-PCR).

Available in box of 25 tests. Each test is packed individually in unit of one. Each test includes one test strip, extraction tube, dropper, collection cup and instruction for use (IFU).

Saliva test kit accuracy:
Saliva – 93.33 %
Sputum – 96.67 %
Stool – 96.67 %

Store between in room temperature (2-30 C)

NOTE: This test kit box is offered at a low margin and will not be able to avail of Free Delivery or discounts. Our team will advise you of the rider fee via sms or email, and will be manually added to your total bill. If you live within Metro Manila and are ordering other items, you will be able to avail of Free Delivery when you reach a minimum order of P4,000.
Due to the sensitivity and nature of this product, we will not be accepting returns or exchanges.

In Stock

With excellent results in study done at Oxford and Department of Health and Social Care in the UK. It is FDA approved and is patent pending in multiple countries including the USA. The Joinstar COVID-19 Antigen detection kit showed 90% sensitivity and 100% specificity in contrast to RT-PCR test results. There’s no occurrence of false-positives at 0%.

Weight .402 kg


We do our best to minimize the use of plastic packaging. Your order is delivered in a recycled box and your items are either wrapped in banana leaves or paper. Unfortunately, sensitive items, such as meats and seafood, require the use of plastic for sanitation purposes.

Help us reduce unnecessary waste by reusing our packaging and containers. If you would like to return your plastic containers, turn them over to Dispatch on your next delivery, and we'll make sure they will be put to good use.

You also have the option of upgrading your packaging to silicone or glass containers for your order of Dried Fruits and Nuts, and sensitive products such as our Meat Your Marinade line.

  • Fill up our Delivery Feedback Form within two (2) days from delivery date.
  • Submit clear photos of the product in question
  • Indicate order number, delivery date and the issue in detail

We will be happy to provide a replacement pending an investigation.

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