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21st Century Century Ultra Strength D3-10,000 IU, 110 ea (Pack of 11)

In stock

Normal price

$109.25 is within 5% of the $108.87 it normally sells for.

Now
$109.25
Normally
$108.87
Lowest in 138 days
$82.76(Nov 9)
Highest
$115.40
Evidence: Strong138 days tracked164 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens. No account, no newsletter.

Price history

Tracked since Jun 25 · 138 days · 164 price changes

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $108.87
  • 5% or more below normal

How often does it drop below normal?

In the 138 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 3 times, typically lasting about 2 days. The last time ended Nov 11.

A count of what happened, not a prediction.

More real deals in Health & Household

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B01IAIKRDI
Request
curl https://trackpin.co/api/v1/product/B01IAIKRDI \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 17:45 UTC
{
  "asin": "B01IAIKRDI",
  "title": "21st Century Century Ultra Strength D3-10,000 IU, 110 ea (Pack of 11)",
  "image": "https://m.media-amazon.com/images/I/51IRHa+i2fL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Health and Beauty",
  "category_label": "Health & Household",
  "in_stock": true,
  "price": {
    "current_cents": 10925,
    "reference_cents": 10887,
    "discount_pct": -0.35,
    "is_deal": false,
    "observed_at": 1794412333258,
    "changed_at": 1794412066813,
    "checked_at": 1794412333258,
    "source": "stored"
  },
  "verdict": {
    "label": "normal",
    "text": "Normal price",
    "pct_vs_normal": -0.35,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Normal price. $109.25 is within 5% of the $108.87 it normally sells for."
  },
  "listing_claim": null,
  "stats": {
    "min_cents": 8276,
    "max_cents": 11540,
    "avg_cents": 10803,
    "history_days": 138,
    "price_levels": 346,
    "price_changes": 164,
    "distinct_prices": 11,
    "lowest_at": 1794212902165
  },
  "history": [
    {
      "price_cents": 8276,
      "from": 1794212902165,
      "to": 1794212902165
    },
    {
      "price_cents": 8399,
      "from": 1794217153737,
      "to": 1794234587513
    },
    {
      "price_cents": 10887,
      "from": 1794237789275,
      "to": 1794321709519
    },
    {
      "price_cents": 8399,
      "from": 1794322104452,
      "to": 1794407695839
    },
    {
      "price_cents": 10925,
      "from": 1794412066813,
      "to": 1794412333258
    }
  ],
  "last_seen": 1794412334983
}
// … 341 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.