Japanese Gender Selection (Umiwake) Supplement | Boy Preference | Rincal Natural Calcium | 120 Tablets (30-Day Supply)

Gender Selection for a Boy

Rincal S is a calcium-based supplement positioned by the original source as part of a boy-preference preparation plan (daily preparation over time + timing management).

• Made in Japan
  
• Approx. 30-day supply per box
  
• The source also states the mechanism is not fully clarified (informational summary only).

Who is this for

For couples who want to support a gender selection–focused conception plan and prefer a structured routine (daily preparation + timing management).

• Planning a gender selection approach (informational only)
• Preparing to try for pregnancy in the next 3–4 months

Disclaimer: Informational only. No outcomes are guaranteed.

Suggested Use

• Begin at least 2 months before trying to conceive, and continue until pregnancy is confirmed.
• Take 4 tablets daily.
• Take all 4 at once, or split into 2 tablets AM + 2 tablets PM to reduce missed doses.
• Source note: if you miss 2+ consecutive days, you may need to restart the 2-month preparation period.

Ingredients

• Calcium-based supplement
  
• The original source does not publish a full formula/amount breakdown. Please refer to the product box/label for the complete ingredients list and amounts.

Supplement Facts

• Form: Tablets
  
• Suggested intake: 4 tablets per day
  
• Supply: Approx. 30 days per box

For exact amounts per serving (mg) and excipients, please see the product label.

Storage

• Store in a cool, dry place, away from heat, humidity, and direct sunlight.
  
• Close the lid tightly after opening.
  
• Keep out of reach of children.

FAQ

Q1: How long should I take it?
A: The source suggests taking it for at least 2 months before timing-based preparation, and continuing until pregnancy is confirmed.

Q2: What’s the best way to take 4 tablets a day?
A: Take all 4 at once, or split 2 in the morning + 2 at night.

Q3: What if I miss a dose?
A: The source notes that missing 2 or more consecutive days may require restarting the 2-month preparation period.

Q4: Can I use it while breastfeeding?
A: The source suggests avoiding use during breastfeeding. Consider starting after weaning; it may be preferable to try conceiving once cycles stabilize after about two months.

Q5: Can I take it with common OTC medicines?
A: The source indicates co-use with common OTC cold medicines or pain relievers is generally acceptable (informational only). If you take medications or have health concerns, consult a healthcare professional.

Q6: Does this guarantee any outcome?
A: No. Outcomes are affected by many factors and individual variation. This information is provided for reference only.

Shipping from Japan

• Ship-from: Japan
• Carrier: Japan Post / international courier (depends on destination and fulfillment)
• Coverage: Worldwide shipping available
• Tracking: Tracking number is provided when available.
• Customs & duties: Import taxes, duties, or clearance requirements may apply depending on your country and are the buyer’s responsibility.

Disclaimer

Informational only. This content summarizes publicly available source information and does not provide medical advice.
No outcomes are guaranteed. If you are trying to conceive, pregnant, breastfeeding, have a medical condition, or take medications, please consult a healthcare professional before use.