Frequently Asked Questions

If you plan to have sex on the same day, it is recommended that you take PK natural male enhancement supplement for at least 20-40 minutes before sexual activity. The herbs will perform best if you take it before meal, otherwise the effect might be delayed due to digestion time.

If you are looking to keep your level of masculinity up and healthy in the long run, it is recommended that you take PK 30-40 minutes before breakfast daily.

Whether you are a 20 year old teenager, 30 year old working man or 60 year old retired veteran, be rest assured that PK is safe for you. Since PK is created from 100% herbal medicine, we don’t include any chemical in it.

PK serves a very specific purpose to nourish your male libido system for better sex drive. It makes you last longer and enjoy larger penis size. As long as you are keen to enjoy better sex and live a wonderful love life with your partner, you can take PK safely with confidence.

Yes, you can take PK if you’re not planning to have sex. Besides from taking PK as a natural viagra to help arouse your sexual emotion on the go, many men also enjoy taking PK as a male enhancement pills just to refresh your mind during the day.

That’s because PK contains just the right elements to nourish your Yin and Yang energy which makes your body function better – thanks to the 6 types of rare selected herbs in PK.

All in all, you will experience a safe libido boost which is perfect for your daily life.

PK’s effect typically last 4-6 hours, and in some cases up to 8 hours. If you have been taking PK consecutively everyday for 2-3 months, you will clearly notice that erections will come easily and firmly. That means your Erectile Dysfunction (ED) problem is cured naturally in the long run.

Our PK male enhancement supplement formula is carefully formulated with 100% organic natural herbs using the following active ingredients:

• Chinese ginseng has been used in traditional Chinese medicine for centuries. The superior men’s supplement that helps increase sexual energy, reduce stress, stimulate immune system.
• Red Kwao Krua is protected medicinal plant of Thailand. Often used as a penis size enlargement supplement. Works like charm if you’re suffering from difficulty to get erection, unlike when you were in your prime time. Also helps prevent prostate diseases.
• Desert ginseng is used to strengthen the Yang energy and is famous in Asia as a sexual tonic. Makes your penis more hardened and heals your male power, which also supports the functioning of kidney system.
• Indian mulberry is the rare plant that can only be harvested during spring or winter. Makes your erection more stable, cures premature ejaculation so you will last longer in bed. Also, it helps keep your blood pressure in a healthy and balanced level.
• Horny Goat Weed also known as the barrenwort, is an erectile aid and aphrodisiac used in Traditional Chinese Medicine that have been widely used by men. Contains high levels of Icariin which helps produce aphrodisiac effects and enhance erectile function.
• Chinese Cinnamon is one of the world’s oldest herb species. Acts as refreshing stimulant that makes you feel more vigorous and keeps you ready on the go.

PK does not contain any food additive and is free from preservative.

Based on the statistical findings of our laboratory studies, there are some rare cases (less than 3%) of the male population who will experience minor symptoms after taking PK such as blushing, nasal congestion.

These results are not likely to cause adverse consequences and it should last for no more than 1-2 hours. But in most cases it is perfectly safe.

If you are currently taking any medication related to treating diabetes or blood pressure, please consult with your doctor before taking PK.

If you have diabetes, it is recommended that you treat the symptom first before taking PK. Also, PK is not recommended if you have blood pressure above 180 mmHg.

If you are taking PK for the first time, we recommend you to start with 1 capsule daily first to see if the dose is just right for you. If you feel that the herbal effect is not enough for your sexual needs, you can take 2 capsules at once.

Generally, men who weight less than 80 Kg will likely find it more than enough with just 1 capsule.

PK is safe for you because has been legally certified by the Food and Drug Administration (FDA) of Thailand since 2012. And it is approved as organic and safe food from the Ministry of Agriculture and Cooperatives.

Also, our manufacturing facilities are certified in the production standards of ISO9001:2008 and GMP.

Moreover, PK is also HALAL certified which is safe to consume if you are Muslim.

Since PK was originally formulated to serve the Japan market, as it currently is till today, it is not yet available at local pharmacies in Thailand. For the time being, you can order PK exclusively only from our website thanatherb.com.

We offer worldwide shipping in 2 options: International Air Packet (9-25 days) and International EMS (5-7 days).

Shipping price varies based on destination location and total product weight. You can see the total shipping price in the checkout summary page before making payment.

According to the results of our studies, 229 samples of male aged between 20 -60 who take PK in combination with moderate level of alcohol, we found that there is no change in blood pressure.

But is still recommended that you avoid alcohol anyway, because alcohol by itself has a detrimental effect on male libido which may weaken your sex drive.

PK has a shelf life of 2 years. You should store it in the packaging when not using, keep at room temperature and avoid sunlight. This will make sure that the herbs in the capsules will perform at its best when you take it.